ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9. 1. A rechargeable electrochemical cell , comprising:a non-aqueous fluid electrolyte consisting of one or more of the following solvents including ethers, tertiary amines, lactones, ketones, glymes, nitriles, aliphatic hydrocarbons, aromatic hydrocarbons, organic nitro solvents, THF, 2-methyl THF, dimethoxyethane, diglyme, triglyme, tetraglyme, diethoxyethane, diethylether, proglyme, ethyl diglyme, butyl diglyme, ethylene carbonate, dimethyl carbonate, diethyl carbonate, dimethylsulfoxide, dimethylsulfite, sulfolane, ethyl methyl sulfone, acetonitrile, hexane, toluene, nitromethane, 1-3 dioxalane, 1-3 dioxane, 1-4 dioxane, trimethyl phosphate, tri-ethyl phosphate, hexa-methyl-phosphoramide (HMPA);a negative electrode in direct physical contact with said non-aqueous electrolyte, wherein said negative electrode is configured to provide >1000 mAh/cc;a positive electrode in direct physical contact with said non-aqueous electrolyte;an electronically insulating separator configured to separate said negative electrode and said positive electrode;said negative electrode and said positive electrode configured such that the capacity of said negative electrode is strictly less than the capacity of said positive electrode, and also greater than zero.2. The rechargeable electrochemical cell of claim 1 , wherein a ratio of reversible capacity between said negative electrode and said positive electrode is such that Q(negative electrode)/Q(positive electrode)<0.9 and Q(negative electrode)/Q(positive electrode)>0.3. The rechargeable ...

RECHARGEABLE MAGNESIUM ION CELL COMPONENTS AND ASSEMBLY

A magnesium battery electrode assembly is described, including a current collector comprising a metal, an overlayer material on the metal and an electrode layer comprising an electrode active material disposed on the current collector. The overlayer material passivates the metal, or inhibits a corrosion reaction that would occur between the metal and an electrolyte in the absence of the overlayer material. 1. A rechargeable magnesium battery electrode assembly , comprising:a corrosion resistant current collector comprising a core having an overlayer of a material selected to inhibit a corrosion reaction that would take place between said core and a magnesium ion electrolyte when said electrolyte is present and said core lacking said overlayer of said material is collecting current; andan electrode layer disposed on said corrosion resistant current collector, said electrode layer comprising an electroactive material capable of reversible electrochemical insertion of a magnesium ion.2. The rechargeable magnesium battery electrode assembly of claim 1 , in combination with:a magnesium ion electrolyte in contact with said rechargeable magnesium battery electrode assembly; andan electrode of opposite polarity to said rechargeable magnesium battery electrode assembly in contact with said magnesium ion electrolyte.3. The rechargeable magnesium battery electrode assembly of claim 1 , wherein said overlayer of said material comprises a material selected from the group of materials consisting of Group 4 elements claim 1 , Group 5 elements claim 1 , Group 6 elements claim 1 , Group 4 carbides claim 1 , Group 5 carbides claim 1 , Group 6 carbides claim 1 , Group 4 nitrides claim 1 , Group 5 nitrides claim 1 , and Group 6 nitrides claim 1 , and combinations thereof.4. The rechargeable magnesium battery electrode assembly of claim 1 , including a form factor claim 1 , wherein the form factor is one or more form factors selected from the group consisting of sheet claim 1 , film ...

ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9.

Electrochemical cell and method of making the same

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9.

Electrochemical cell and method of making the same

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9.

ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9. 1. A rechargeable electrochemical storage device , comprising:an anode electrode comprising the metal form of the electro-active species, said rechargeable electrochemical storage device configured to electroplate metal at said anode electrode, said anode electrode comprising N/P<4 of electro-active material in the discharged state.2. The rechargeable electrochemical storage device of claim 1 , configured to charge to greater than or equal to 4.0 V.3. The rechargeable electrochemical storage device of claim 1 , configured to discharge to −2.5 V.4. The rechargeable electrochemical storage device of claim 1 , configured to charge and discharge at ≦10 C-rate of rated capacity.5. The rechargeable electrochemical storage device of claim 1 , configured to discharge and charge at temperatures in the range of −20° C. and 200° C.6. The rechargeable electrochemical storage device of claim 1 , configured to charge and discharge with >99.35% Coulombic efficiency.7. The rechargeable electrochemical storage device of claim 1 , configured to provide at least 80% of initial capacity for greater than 30 charging and discharging cycles.8. The rechargeable electrochemical storage device of claim 1 , wherein said negative electrode is configured to provide>1000 mAh/cc.9. The rechargeable electrochemical storage device of claim 1 , wherein said non-aqueous fluid electrolyte comprises at least one active cation selected from the group consisting of Mg ion claim 1 , Al ion claim 1 , Ca ion claim 1 , Sr ion claim 1 , Ba ion claim 1 , Li ion ...

ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9.

ADDITIVE CONTAINING ELECTROLYTES FOR HIGH ENERGY RECHARGEABLE METAL ANODE BATTERIES

Electrolytes for use in commercially viable, rechargeable lithium metal batteries are described. The electrolytes contain one or more lithium salts, one or more organic solvents, and one or more additives. The electrolytes allow for reversible deposition and dissolution of lithium metal. Specific additives or additive combinations dramatically improved cycle life, decrease cell swelling, and/or lower cell impedance. 1. A rechargeable electrochemical cell comprising:a negative electrode comprising in direct physical contact with said non-aqueous fluid electrolyte;a positive electrode in direct physical contact with said non-aqueous fluid electrolyte;an electronically insulating separator configured to separate said negative electrode and said positive electrode; and at least one organic solvent;', 'at least one salt comprising at least two of the following elements:', 'boron, fluorine, carbon, nitrogen, or oxygen; and, 'a non-aqueous electrolyte wherein lithium ions are the primary charge carrier comprisingat least one additive from the following: pyrrolidones, sulfonimides, carbodimides, sulfonylfluorides, nitriles, isocyanates, fluoroacetates, silanes, triflate, halides, or organo-borates.2. The rechargeable electrochemical cell of claim 1 , wherein at least one electrolytically active lithium salt is selected from the group of salts consisting of lithium bis(perfluoroalkylsulfonyl)imide claim 1 , lithium bis(fluorosulfonyl)imide claim 1 , lithium bis(trifluoromethanesulfonyl)imide claim 1 , lithium bis(perfluoroethylsulfonyl)imide claim 1 , lithium dicyanamide claim 1 , lithium tricyanomethide claim 1 , lithium tetracyanoborate claim 1 , lithium bis(oxalato)borate claim 1 , lithium difluoro(oxalato)borate claim 1 , lithium difluoro(malonato)borate claim 1 , lithium tetrafluoroborate claim 1 , lithium bis(benzenesulfonyl)imide claim 1 , lithium triflate claim 1 , lithium bis(perfluoropinacolato)borate claim 1 , lithium bis(salicylato)borate claim 1 , lithium ...

ADDITIVE CONTAINING ELECTROLYTES FOR HIGH ENERGY RECHARGEABLE METAL ANODE BATTERIES

Electrolytes for use in commercially viable, rechargeable lithium metal batteries are described. The electrolytes contain one or more lithium salts, one or more organic solvents, and one or more additives. The electrolytes allow for reversible deposition and dissolution of lithium metal. Specific additives or additive combinations dramatically improved cycle life, decrease cell swelling, and/or lower cell impedance. 1. A rechargeable electrochemical cell having a non-aqueous fluid electrolyte solution , comprising:a negative electrode comprising lithium metal in part in direct physical contact with said non-aqueous fluid electrolyte;a positive electrode in direct physical contact with said non-aqueous fluid electrolyte;an electronically insulating separator configured to separate said negative electrode and said positive electrode; at least one organic solvent;', {'sub': 6', '6', '4, 'at least one electrolytically active, soluble, lithium (Li) salt other than LiPFor LiAsFor LiClO; and'}, 'at least one additive from the following: pyrrolidones, sulfonimides, carbodimides, sulfonylfluorides, nitriles, isocyanates, fluoroacetates, silanes, triflate, halides, or organo-borates., 'said non-aqueous fluid electrolyte comprising2. The rechargeable electrochemical cell of claim 1 , wherein at least one electrolytically active lithium salt is selected from the group of salts consisting of lithium bis(perfluoroalkylsulfonyl)imide claim 1 , lithium bis(fluorosulfonyl)imide claim 1 , lithium bis(trifluoromethanesulfonyl)imide claim 1 , lithium bis(perfluoroethylsulfonyl)imide claim 1 , lithium dicyanamide claim 1 , lithium tricyanomethide claim 1 , lithium tetracyanoborate claim 1 , lithium bis(oxalato)borate claim 1 , lithium difluoro(oxalato)borate claim 1 , lithium difluoro(malonato)borate claim 1 , lithium tetrafluoroborate claim 1 , lithium bis(benzenesulfonyl)imide claim 1 , lithium triflate claim 1 , lithium bis(perfluoropinacolato)borate claim 1 , lithium bis(salicylato) ...

NON-AQUEOUS ELECTROLYTE FOR RECHARGEABLE MAGNESIUM ION CELL

An electrolyte for use in electrochemical cells is provided. One type of non-aqueous Magnesium electrolyte comprises: at least one organic solvent; at least one electrolytically active, soluble, inorganic Magnesium salt complex represented by the formula: MgZX, in which Z is selected from a group consisting of aluminum, boron, phosphorus, titanium, iron, and antimony; X is a halogen and n=1-5. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg/Mgand total water content of <200 ppm. The use of this electrolyte promotes the electrochemical deposition and dissolution of Mg from the negative electrode without the use of any additive. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described. Rechargeable, high energy density Magnesium cells containing a cathode, an Mg metal anode, and an electrolyte are also disclosed. 1. A rechargeable magnesium battery having an additive free non-aqueous electrolyte solution , comprising: at least one organic solvent;', 'at least one electrolytically active, soluble, Magnesium (Mg) salt; and', 'water in less than a trace amount., 'an anode electrode, a cathode electrode, and said non-aqueous electrolyte solution in contact with the anode electrode and the cathode electrode, said non-aqueous electrolyte solution comprising2. The rechargeable magnesium battery having an additive free non-aqueous electrolyte solution of claim 1 , wherein said water is present in an amount less than 200 ppm.3. The rechargeable magnesium battery having an additive free non-aqueous electrolyte solution of claim 1 , wherein an anode polarization between electrodeposition and electrodissolution is less than 500 mV at 25 degrees Celsius.4. The rechargeable magnesium battery having an additive free non-aqueous electrolyte solution of claim 1 , wherein an anode Coulombic efficiency is greater than 98% at ...

Rechargeable magnesium ion cell components and assembly

A magnesium battery electrode assembly is described, including a current collector comprising a metal, an overlayer material on the metal and an electrode layer comprising an electrode active material disposed on the current collector. The overlayer material passivates the metal, or inhibits a corrosion reaction that would occur between the metal and an electrolyte in the absence of the overlayer material.

Rechargeable magnesium ion cell components and assembly

Additive containing electrolytes for high energy rechargeable metal anode batteries

Electrolytes for use in commercially viable, rechargeable lithium metal batteries are described. The electrolytes contain one or more lithium salts, one or more organic solvents, and one or more additives. The electrolytes allow for reversible deposition and dissolution of lithium metal. Specific additives or additive combinations dramatically improved cycle life, decrease cell swelling, and/or lower cell impedance.

Additive containing electrolytes for high energy rechargeable metal anode batteries.

Se describen electrolitos para uso en baterías recargables de metal litio, comercialmente viables. Los electrolitos contienen una o más sales de litio, uno o más solventes org&nicos, y uno o mas aditivos. Los electrolitos permiten deposicion y disolucion reversibles de metal litio. Aditivos o combinaciones de aditivos especificos mejoraron dramaticamente la vida Util, disminuyen el aumento de celda, y/o disminuyen la impedancia de celda.

Electrochemical cell and method of making the same

A secondary cell comprising a positive cathode electrode of capacity P (mAh) in communication with a liquid or gel electrolyte; an negative anode electrode of capacity N (mAh) in communication with the electrolyte; and a separator permeable to at least one mobile species which is redox-active at least one of the anode and the cathode; designed and constructed such that the anode capacity N is smaller than that of the cathode capacity P, hence N/P<0.9.

Additive containing electrolytes for high energy rechargeable metal anode batteries

Mini-tablet dosage form of a viral terminase inhibitor and uses thereof

The present invention relates to oral dosage forms comprising letermovir and, in particular, to compressed mini-tablets comprising letermovir. The invention also relates to methods of using the oral dosage forms for the treatment, prevention, or prophylaxis of HCMV in a patient. In addition, the invention also provides methods for making the mini-tablets of the invention.

Mini-tablet dosage form of a viral terminase inhibitor and uses thereof

The present invention relates to oral dosage forms comprising letermovir and, in particular, to compressed mini-tablets comprising letermovir. The invention also relates to methods of using the oral dosage forms for the treatment, prevention, or prophylaxis of HCMV in a patient. In addition, the invention also provides methods for making the mini-tablets of the invention.

Mini-tablet dosage form of a viral terminase inhibitor and uses thereof

The present invention relates to oral dosage forms comprising letermovir and, in particular, to compressed mini-tablets comprising letermovir. The invention also relates to methods of using the oral dosage forms for the treatment, prevention, or prophylaxis of HCMV in a patient. In addition, the invention also provides methods for making the mini-tablets of the invention.

Compositions of a dipeptidyl peptidase-iv inhibitor and an antioxidant

Disclosed are compositions, including pharmaceutical compositions, comprising a combination of sitagliptin, or a pharmaceutically acceptable salt and/or hydrate thereof, and an antioxidant.