Non-cyanide bright electroplated silver composite additive and application method thereof in non-cyanide silver electroplating system

The invention relates to a non-cyanide bright electroplated silver composite additive and an application method thereof in a non-cyanide silver electroplating system, and belongs to the technical field of silver electroplating. The electroplated silver composite additive is characterized in that the combination of an inorganic additive and an organic additive is adopted, so that the adding quantity of the additive is wide in range; the solution electroplating performance and the coating electroplating performance of the non-cyanide silver electroplating system are obviously improved due to the addition of the corresponding combined additive. The non-cyanide bright electroplated silver composite additive cannot be decomposed in storage and application processes because of having extremely high stability, and can be used for effectively accelerating the electrolytic deposition speed of a silver electroplating layer without influencing the current efficiency of a cathode at the same time.

Electroplating device for composite plating electrodeposition

The invention discloses an electroplating device for composite plating electrodeposition, which relates to a composite electroplating device and aims to solve the problems that an anode cannot be obliquely fixed in a plating bath, and the inclination angle of a cathode is difficult to control, so that the process parameters of composite plating are unstable, and solve the problem that the bottom of the plating bath is not provided with an air inlet. The open face of a frame bracket is vertical to a plurality of adjusting holes on a pedestal; a plating bath fixing ring is fixedly sleeved on the outer side wall of the plating bath; the components of the plating bath and the plating bath fixing ring are arranged in the frame bracket; the high side of the inclined plane of the frame bracket is faced to the adjusting holes; the plating bath fixing ring is connected with the frame bracket by a rotating shaft; the output end of a breather pipe is arranged in the plating bath; a first plating bath ...

Method for producing TbFeCo alloy film by using ionic liquid impulse electrodeposition technology

The invention provides a method for preparing a TbFeCo alloy film by using the technology of ionic liquid pulse electrodeposition, relating to a method for preparing the TbFeCo alloy film. The invention resolves the problems of complex preparation process and equipment, high cost and inhomogenous surface of the deposit layer in the prior art when preparing the TbFeCo alloy film. The method is as follows: 1, mixing 1-methyl-3-butyllnildaanlium tetrafluoroborate, anhydrous ferric fluoborate, anhydrous codmium fluoborate and anhydrous terbium fluoborate to prepare ionic liquid electrolyte; 2, pulse electrodopositing; and 3, washing a test piece by ethyl alcohol and distilled water, and drying the test piece to obtain the TbFeCo alloy film. The invention uses the ionic liquid pulse electrodeposition method to synthesize the TbFeCo alloy film which has smooth, plane and uniform surface. The invention has simple process and equipment as well as low cost.

Preparation method and application of polymer electrolyte containing allyl functionalized ionic liquid

The invention discloses a preparation method and application of polymer electrolyte containing allyl functionalized ionic liquid, relates to a preparation method and application of polymer electrolyte containing functionalized ionic liquid, and solves the problems that the existing ionic liquid has poor electrochemical stability and poor compatibility with an electrode material. The preparation method comprises the following steps: 1, dissolving P(VdF-HFP) )(poly(vinylidene fluoride-hexafluoropropylene)) into N-methyl pyrrolidone, adding a lithium salt and the ionic liquid, and stirring to obtain gel; 2, pouring the gel into a polytetrafluoroethylene mould, and performing vacuum drying to obtain an electrolyte membrane. The polymer electrolyte containing the allyl functionalized ionic liquid is used for assembling a lithium ion battery; the electrolyte has the advantages of high thermal stability, nonflammability, slight toxicity, no liquid leakage and the like, can greatly improve the ...

Lithium ion battery gel type ionic liquid/polymer electrolyte and preparation method thereof

The invention discloses a lithium ion battery gel type ionic liquid/polymer electrolyte and a preparation method thereof, relating to a gel type ionic liquid/polymer electrolyte and a preparation method thereof. The invention solves the problem of poor compatibility of the prior imidazole ionic liquid and a lithium ion battery cathode material. The electrolyte is made of a macromoleclar polymer, imidazole ionic liquid and lithium salt. The method comprises the following steps: 1. dissolving the macromoleclar polymer into organic solvent; 2. adding the imidazole ionic liquid and stirring till the solution is uniform; 3. adding the lithium salt to obtain gel liquid; 4. pouring the gel liquid into a die, drying in vacuum and demolding. The electrolyte has favorable compatibility with a lithium titanate cathode; a lithium ion battery made of the electrolyte has high safety, and the lithium titanate cathode presents ultrahigh specific capacity (more than a double of the theoretical specific ...

Cyanogens-free gold plating solution and method for plating gold by adopting same

The invention provides cyanogens-free gold plating solution and a method for plating gold by adopting the cyanogens-free gold plating solution, relating to a plating solution and a gold electroplating method. The invention solves the problems that cyanide is toxic and the stability of sulphite gold plating solution is poor. The cyanogens-free gold plating solution of the invention is composed of coordinating agent, auric chloride, potassium carbonate, potassium pyrophosphate and compound additive. The gold plating method of the invention includes the following steps: sodium hydroxide is used for regulating the pH value of cyanogens-free gold plating solution, then constant current mode is adopted, and plating is carried out under the conditions that the distance of cathode and anode is 5-20cm and the temperature is 30-60 DEG C. The cyanogens-free gold plating solution of the invention contains no highly toxic substance, and the stability of plating solution is good, the plating solution ...

Method for electrodepositing lithium-copper alloy in ionic liquid system

The invention discloses a method for electrodepositing a lithium-copper alloy in an ionic liquid system, which relates to a method for electrodepositing the lithium-copper alloy. The method solves the problems that the conventional smelting method for preparing the lithium-copper alloy cannot control the lithium element content easily and has high energy consumption. The method comprises the following: step one, adding LiBF4, Cu(BF4)2 and an additive into BMIMBF4 in turn to prepare an electrolyte; and step two, immerging an anode material and a cathode material into the electrolyte, and adopting a constant current mode and controlling the current density and the electrodepositing time to realize the preparation of the lithium-copper alloy, wherein the two steps are performed in a glove box. The method has the advantages of concise process, simple equipment and low energy consumption; the metal lithium content in the lithium-copper alloy is adjusted and controlled by adjusting components ...

Method for producing TbFeCo alloy film by using ionic liquid impulse electrodeposition technology

The invention provides a method for preparing a TbFeCo alloy film by using the technology of ionic liquid pulse electrodeposition, relating to a method for preparing the TbFeCo alloy film. The invention resolves the problems of complex preparation process and equipment, high cost and inhomogenous surface of the deposit layer in the prior art when preparing the TbFeCo alloy film. The method is as follows: 1, mixing 1-methyl-3-butyllnildaanlium tetrafluoroborate, anhydrous ferric fluoborate, anhydrous codmium fluoborate and anhydrous terbium fluoborate to prepare ionic liquid electrolyte; 2, pulse electrodopositing; and 3, washing a test piece by ethyl alcohol and distilled water, and drying the test piece to obtain the TbFeCo alloy film. The invention uses the ionic liquid pulse electrodeposition method to synthesize the TbFeCo alloy film which has smooth, plane and uniform surface. The invention has simple process and equipment as well as low cost.

Method for preparing chromium-free passivation solution, and method for passivating electrogalvanizing or zinc alloy layer by using same

The invention provides a method for preparing chromium-free passivation solution, and a method for passivating an electrogalvanizing or zinc alloy layer by using the same, and relates to a method for preparing the passivation solution and a using method thereof. The method solves the problems that passivation of hexavalent chromium and trivalent chromium generates pollution, and white rust testedin a salt spray test has short time after the electrogalvanizing or zinc alloy layer is passivated by the passivation solution. The method for preparing the chromium-free passivation solution comprises the following steps: 1, preparing concentrated solution A; 2, preparing concentrated solution B; and 3, regulating pH value after the concentrated solution A, the concentrated solution B and deionized water are mixed, and heating or cooling the mixture to 20 to 60 DEG C to obtain the chromium-free passivation solution. The method for passivating the electrogalvanizing or zinc alloy layer by using ...

Multi-coordination-agent cyanide-free electrogilding liquid and electrogilding process

The invention relates to multi-coordination-agent cyanide-free electrogilding liquid and an electrogilding process, which belong to the technical field of electrogilding. The electrogilding liquid is prepared from a main coordination agent, an auxiliary coordination agent, potassium hydroxide, potassium carbonate, goldpotassium chloride, combined additives and ultrapure water. The electrogilding process comprises the following steps: 1, preprocessing a substrate; 2, electroplating an intermediate nickel plating layer; 3, electrogilding, namely washing the substrate after electroplating the intermediate nickel plating layer with ultrapure water, directly feeding the substrate into a plating cell containing the multi-coordination-agent cyanide-free electrogilding liquid to be electrogilded, taking out a sample from the electrogilding liquid after the electrogilding, washing the surface of the sample by utilizing distilled water, and drying the sample through cold air. Double coordination ...

Surface treatment method for electrolytic copper foil coating excellent in chemical resistance and cohesive force

Method for preparing Tb-Co alloy layer by utilizing ionic liquid electrodeposition technology

The invention relates to a method for preparing a Tb-Co alloy layer by utilizing ionic liquid electrodeposition technology, in particular to a method for preparing the Tb-Co alloy layer, aiming at solving the problems of complicated manufacturing technique and equipment, high cost and uneven surface of a settled layer when the Tb-Co alloy layer is prepared by the prior art. The preparation methodcomprises: 1. 1- methyl-3- butyllnildaanlium tetrafluoroborate, anhydrous cobalt fluoroborate and anhydrous terbium fluoroborate are mixed together for preparing ionic liquid electrolyte; 2. electrodeposition; 3. after being washed by ethanol and distilled water and dried, the sample is dried to obtain the Tb-Co alloy layer. The method utilizes the ionic liquid electrodeposition technology to synthesize the smooth, flat and uniform Tb-Co alloy layer. The invention has simple technique and equipment as well as low cost.

Cr-free F-free color passivation solution and passivation method for electroplated Zn-Ni alloy plating layer

The invention provides a Cr-free F-free color passivation solution for an electroplated Zn-Ni alloy plating layer, which is prepared by the following steps of: weighing 30-70g of film forming agent, 20-50g of film forming accelerant and 10-40g of organic acid, adding distilled water for completely dissolving, adjusting the pH value to 2.0-5.0 with an acid or a base and heating or cooling to 30-60 DEG C. The invention also provides a Cr-free F-free color passivation method of an electroplated Zn-Ni alloy plating layer, which comprises the following steps of: immersing a workpiece electroplated with the Zn-Ni alloy plating layer in the passivation solution for 100-200 seconds, placing in air for 10-50 seconds, washing with water and blow-drying with cold air. In order to improve corrosion resistance, an aging treatment process is required to carry out after passivation, and comprises the following steps of: placing the passivated workpiece in a thermostatic drying tank and aging at the temperature ...

Electrochemical testing device provided with array electrodes, reference electrode and circulation system

The invention discloses an electrochemical testing device provided with array electrodes, a reference electrode and a circulation system, which relates to an electrochemical testing device. The electrochemical testing device aims at solving the problems that the traditional electrolytic cell used in labs does not have an appropriate space for placing an array electrode and a reference electrode to imitate selective plating of small parts, and cannot be used for carrying out electrochemical test in a plating solution circulating state so that the testing result and the actual production condition have larger difference, and the production cannot be effectively instructed. A reference electrode slot of the electrochemical testing device is arranged on a pipe opening in a penetrating way, the reference electrode is inserted in the reference electrode slot, an electrode slot is arranged in a sealing cover, a group of array electrodes are inserted in a cathode test piece placing hole, the lower ...

Cyanogen-free silver-plating brightener and method for preparing the same

Method for preparing Tb-Co alloy layer by utilizing ionic liquid electrodeposition technology

The invention relates to a method for preparing a Tb-Co alloy layer by utilizing ionic liquid electrodeposition technology, in particular to a method for preparing the Tb-Co alloy layer, aiming at solving the problems of complicated manufacturing technique and equipment, high cost and uneven surface of a settled layer when the Tb-Co alloy layer is prepared by the prior art. The preparation method comprises: 1. 1- methyl-3- butyllnildaanlium tetrafluoroborate, anhydrous cobalt fluoroborate and anhydrous terbium fluoroborate are mixed together for preparing ionic liquid electrolyte; 2. electrodeposition; 3. after being washed by ethanol and distilled water and dried, the sample is dried to obtain the Tb-Co alloy layer. The method utilizes the ionic liquid electrodeposition technology to synthesize the smooth, flat and uniform Tb-Co alloy layer. The invention has simple technique and equipment as well as low cost.

Zn-Ni-Al2O3 nano composite deposit and its preparation process

Local electroplating device for micro parts

The invention discloses a local electroplating device for micro parts, relates to an electroplating device and aims to solve the problem that the conventional plating tank does not have a suitable space for containing the micro parts which need electroplating locally and is not provided with an interface connected with plating solution circulation equipment so as not to realize the local electroplating of the micro parts in the plating solution circulation state. A plurality of orifices are formed on a plating tank body. A part slot is formed in a sealed cover and is provided with a plurality of arrays of part placement ports. A group of micro parts are inserted into the part placement ports. The sealed cover is covered on the plating tank body. A cathode conductive cover and a cathode conductive connection cover are arranged on the sealed cover. The cathode conductive connection cover is arranged in a cathode test piece placement cavity. The lower end of the plating tank body is arranged ...

Local electroplating device for micro parts

The invention discloses a local electroplating device for micro parts, relates to an electroplating device and aims to solve the problem that the conventional plating tank does not have a suitable space for containing the micro parts which need electroplating locally and is not provided with an interface connected with plating solution circulation equipment so as not to realize the local electroplating of the micro parts in the plating solution circulation state. A plurality of orifices are formed on a plating tank body. A part slot is formed in a sealed cover and is provided with a pluralityof arrays of part placement ports. A group of micro parts are inserted into the part placement ports. The sealed cover is covered on the plating tank body. A cathode conductive cover and a cathode conductive connection cover are arranged on the sealed cover. The cathode conductive connection cover is arranged in a cathode test piece placement cavity. The lower end of the plating tank body is arranged ...

Electrodepositing preparation method of CIGS (Copper Indium Gallium Selenide) film inside ionic liquid/alcohol mixed solution system

The invention discloses an electrodepositing preparation method of a CIGS (Copper Indium Gallium Selenide) film inside an ionic liquid/alcohol mixed solution system. The electrodepositing preparation method comprises the following steps of: I, measuring ionic liquid, placing into a closed container, adding four main salts, namely copper chloride, indium chloride, gallium chloride and selenium chloride, under the condition of air isolation to obtain clear transparent liquid, and then adding alcohol to obtain a clear transparent plating solution; II, carrying out electrodeposition on a CIGS film on a base material of a working electrode by adopting a constant-current electrodeposition method. The invention provides a novel ionic liquid/alcohol mixed solution system for carrying out electrodeposition on the CIGS film. Compared with a pure ionic liquid system, the novel ionic liquid/alcohol mixed solution system provided by the invention has the advantages of high electrical conductivity, wide ...

Method for preparing chromium-free passivation solution, and method for passivating electrogalvanizing or zinc alloy layer by using same

The invention provides a method for preparing chromium-free passivation solution, and a method for passivating an electrogalvanizing or zinc alloy layer by using the same, and relates to a method for preparing the passivation solution and a using method thereof. The method solves the problems that passivation of hexavalent chromium and trivalent chromium generates pollution, and white rust tested in a salt spray test has short time after the electrogalvanizing or zinc alloy layer is passivated by the passivation solution. The method for preparing the chromium-free passivation solution comprises the following steps: 1, preparing concentrated solution A; 2, preparing concentrated solution B; and 3, regulating pH value after the concentrated solution A, the concentrated solution B and deionized water are mixed, and heating or cooling the mixture to 20 to 60 DEG C to obtain the chromium-free passivation solution. The method for passivating the electrogalvanizing or zinc alloy layer by using ...

Preparation method of nano Sn/SiC composite plating

The invention discloses a preparation method of nano Sn/SiC composite plating, relating to a preparation method of Sn/SiC composite plating. The invention aims to solve the problems that the existing pure tin plating is easy to grow tin whisker and has poor mechanical property and codeposition of nano particles on a cathode can not be realized easily in the conventional nano composite plating technology. The preparation method comprises the following steps: 1, soaking SiC nano particles in methanesulfonic acid, then adding dispersant, stirring, and sequentially adding tin methanesulfonate, brightening agent, codeposition accelerant and main salt stabilizer to compose a plating solution; 2, parallelizing a cathode copper foil and a pure tin anode plate into the plating solution; and 3, adjusting the cathode current density, mechanically stirring and plating alternately, and keeping stirring under compressed nitrogen all the time, thus finishing preparing the nano Sn/SiC composite plating ...

Blue write chromate-free passivation liquid of electrogalvanized layer and method for passivating electrogalvanized layer by adopting same

The invention relates to a blue write chromate-free passivation liquid of an electrogalvanized layer and a method for passivating the electrogalvanized layer by adopting the same, belonging to a chromate-free passivation liquid and a passivating method thereof. The invention solves the problem that the traditional passivation liquid contains toxic hexavalent chromium. The chromate-free passivation liquid contains molybdate, phosphate, sulfuric acid and organic matter. The passivating method comprises the steps of: dipping a treated galvanized steel sheet into the blue write chromate-free passivation liquid of the electrogalvanized layer with a temperature of 20-60 DEG C for passivating for 20-80s; and washing and drying to complete the process of passivating the electrogalvanized layer of the blue write chromate-free passivation liquid. The chromate-free passivation liquid does not contain the toxic hexavalent chromium and has good stability and stabilizing time exceeding 30 days.

Cyanogens-free gold plating solution and method for plating gold by adopting same

The invention provides cyanogens-free gold plating solution and a method for plating gold by adopting the cyanogens-free gold plating solution, relating to a plating solution and a gold electroplating method. The invention solves the problems that cyanide is toxic and the stability of sulphite gold plating solution is poor. The cyanogens-free gold plating solution of the invention is composed of coordinating agent, auric chloride, potassium carbonate, potassium pyrophosphate and compound additive. The gold plating method of the invention includes the following steps: sodium hydroxide is used for regulating the pH value of cyanogens-free gold plating solution, then constant current mode is adopted, and plating is carried out under the conditions that the distance of cathode and anode is 5-20cm and the temperature is 30-60 DEG C. The cyanogens-free gold plating solution of the invention contains no highly toxic substance, and the stability of plating solution is good, the plating solution ...

Electroplating device for composite plating electrodeposition

The invention discloses an electroplating device for composite plating electrodeposition, which relates to a composite electroplating device and aims to solve the problems that an anode cannot be obliquely fixed in a plating bath, and the inclination angle of a cathode is difficult to control, so that the process parameters of composite plating are unstable, and solve the problem that the bottom of the plating bath is not provided with an air inlet. The open face of a frame bracket is vertical to a plurality of adjusting holes on a pedestal; a plating bath fixing ring is fixedly sleeved on the outer side wall of the plating bath; the components of the plating bath and the plating bath fixing ring are arranged in the frame bracket; the high side of the inclined plane of the frame bracket is faced to the adjusting holes; the plating bath fixing ring is connected with the frame bracket by a rotating shaft; the output end of a breather pipe is arranged in the plating bath; a first platingbath ...

Use of 12 sodium alkyl sulfonate 12 alkylbenzene sodium alkyl sulfonate, diphenylamine-4-sodium alkyl sulfonate in surface micro-arc oxidation technology

Cyanide-free bright electrogilding additive and application thereof

The invention discloses a cyanide-free bright electrogilding additive and an application thereof, which belongs to the technical field of electrogilding. The electrogilding additive is prepared from additives and ultra-pure water, wherein the additives are organic additives or mixtures of inorganic additives and organic additives; the concentration of each component in the additive is 0.5-30g/L. The cyanide-free bright electrogilding additive disclosed by the invention has the functions of improving the brightness of a plated layer, refining crystal grains, stabilizing plating liquid and reducing surface tension. Therefore, the additive can be applied to electrogilding plating liquid, and the addition amount is 0.1-100mL/L. By adopting the additive disclosed by the invention, the properties of the plating liquid and the plating layer of a multi-coordination agent cyanide-free electrogilding system can be effectively improved, the plating liquid has no unstable situations of decomposition ...

Method for forming metal simple substance through ionic liquid in electrolytic deposition mode

The invention provides a method for forming a metal simple substance through ionic liquid in an electrolytic deposition mode, and belongs to the technical field of materials. The method includes the steps that (1) the ionic liquid and copper or indium or gallium ions in proper amount are taken and placed into an electrolytic tank, stirring is carried out at a constant speed at the temperature of 25-80 DEG C until source substances are completely dissolved, and clear and transparent electrolyte is obtained; (2) a constant current or constant voltage electrolytic deposition method is adopted, the copper or indium or gallium metal simple substance is formed on the surface of a substrate of a work electrode in an electrolytic deposition mode, the temperature is controlled to be 25-150 DEG C, and deposition time is 0.5-4h. According to the method, a copper or indium or gallium metal simple substance deposition layer is prepared in imidazolium-based ionic liquid in the electrolytic deposition ...

Copper grid line extinction reagent capable of rapidly reacting at normal temperature as well as preparation method and use method of copper grid line extinction reagent

The invention discloses a copper grid line extinction reagent capable of rapidly reacting at normal temperature and a preparation method and a use method thereof, and belongs to the technical field of touch screen manufacturing. The silver paste comprises the following components in parts by weight: 50-80 parts of a coordination agent, 25-50 parts of an additive, 35-65 parts of a buffering agent, 12-50 parts of an acid-base regulator, 6-26 parts of a silver source and 740-860 parts of deionized water. The complexing agent is one or more of citric acid, nicotinic acid, 2-hydroxypyridine, and 2-ethoxy-5, 10, 15, 20-tetrafluorophenyl-3, 7-diazole-21, 22-dicporphyrin, and the complexing agent is one or more of 2-ethoxy-5, 10, 15, 20-tetrafluorophenyl-3, 7-diazole-21, 22-dicporphyrin; the additive is one or more of lauryl sodium sulfate, 1-eicosyl-pyridinane, a 2, 2 '-dipyridyl antimony potassium tartrate composite additive and polyethyleneimine; the buffering agent is one of potassium carbonate ...

Process for preparing porous anode aluminium oxide mould of height ordered by mixed acid electrolyzing liquid

Cyanide-free silver plating electroplating solution and preparation method and electroplating method thereof

The invention discloses a cyanide-free silver plating electroplating solution and a preparation method and an electroplating method thereof, belonging to the field of electrosilvering. The invention aims at solving the technical problems of poor stability and narrow current density scope of an electroplating solution in the traditional cyanide-free silver plating system. The cyanide-free silver plating electroplating solution is prepared from glycolyurea derivatives, pyridine substances, silver nitrate, potassium carbonate, potassium hydroxide and deionized water. The cyanide-free silver plating electroplating solution is prepared by adopting a mixing method. Silver plating is performed according to the electroplating method. The electroplating solution of the invention has the dispersibility ranging from 65% to 75% and good stability so that the newly-prepared electroplating solution and the electroplating solution subsequent to electroplating are free from deposition, color change and ...

Gel polymer electrolyte of ester-group-containing functionalized ionic liquid, preparation method and application thereof

The invention discloses a gel polymer electrolyte of ester-group-containing functionalized ionic liquid, a preparation method and application thereof. The gel polymer electrolyte is prepared from P(VdF-HFP), PPO2TFSI and LiTFSI, wherein the mol ratio of P(VdF-HFP) to PPO2TFSI to LiTFSI is 1:1:(1-3). The ester-group-containing functionalized ionic liquid with low viscosity and high electrochemical stability is applied to the preparation of the gel polymer electrolyte, and the novel electrolyte and a lithium iron phosphate electrode material are assembled to form a lithium ion battery. According to the gel polymer electrolyte of the ester-group-containing functionalized ionic liquid, an electrochemical window is higher than 4.5V, the room-temperature conductivity is between 0.21x10<-3> S/cm<-1> and 0.37x10<-3> S/cm<-1>, and the transference number of lithium ions is 0.4-0.6; the gel polymer electrolyte has an excellent electrochemical performance and has excellent compatibility and stability ...

Lithium ionic cell gel type ion liquid / polymer electrolyte and preparation thereof

The invention discloses a gel type ionic liquid/polymer electrolyte for a lithium ion battery and a preparation method thereof, and relates to a gel type ionic liquid/polymer electrolyte and a preparation method thereof. The invention solves the problem of short cycling time of the prior imidazole ionic liquid and electrode material. The electrolyte is prepared from macromolecular polymers, the imidazole ionic liquid and lithium salt. The method comprises: firstly, dissolving the macromolecular polymers into an organic solvent; secondly, adding the imidazole ionic liquid into a mixture, and stirring the mixture until the mixture is uniform; thirdly, adding the lithium salt into the mixture and obtaining a gel liquid; and fourthly, pouring the gel liquid into a die and performing vacuum drying and demolding. The electrolyte has good compatibility with a cathode of lithium titanate; the lithium ion battery prepared by the electrolyte has good safety and stable cycling performance under the ...

Preparation method for tin-based/graphene composite anode material of lithium ion battery

The invention discloses a preparation method for a tin-based/graphene composite anode material of a lithium ion battery, relates to a preparation method for a composite anode material of a battery, and solves problems that a tin-based/graphene composite anode material is unlikely to be subjected to batch preparation and a current collector cannot realize one-side electrodeposition in an existing lithium ion battery. The preparation method comprises the following steps: 1, preparing a plating solution; 2, assembling a cathode device; 3, preprocessing the cathode device; 4, performing composite electrodeposition; 5, performing drying and reduction. The preparation method is used for preparing the tin-based/graphene composite anode material of the lithium ion battery.

Cobalt plating additive suitable for cobalt filling of microelectronic circuit, cobalt electroplating solution and electroplating method

The invention discloses a cobalt plating additive suitable for cobalt filling of a microelectronic circuit, a cobalt electroplating solution and an electroplating method, and belongs to the technical field of electroplating. According to the specific scheme, the cobalt plating additive comprises an inhibitor and a wetting agent, the wetting agent is a sulfur-containing organic matter, the inhibitor is one or combination of more of triphenylmethane derivatives, and the structural formula of the inhibitor is as shown in the formula I in the specification.