Patent classifications
H01M4/40
POSITIVE ELECTRODE FOR LITHIUM-ION BATTERY, LITHIUM-ION BATTERY AND METHOD FOR PRODUCING POSITIVE ELECTRODE FOR LITHIUM-ION BATTERY
What are provided are a positive electrode for a lithium-ion battery capable of suppressing the generation of carbon dioxide while increasing the battery capacity of the lithium-ion battery, a lithium-ion battery and a method for producing a positive electrode for a lithium-ion battery. A positive electrode for a lithium-ion battery having a positive electrode current collector and a positive electrode active material layer, in which the positive electrode active material layer has a positive electrode mixture containing the positive electrode active material, and the positive electrode mixture contains lithium carbonate in a range of 9% by mass or more and 20% by mass or less with respect of the total weight thereof.
Optimization of electrochemical cell
A system and method for optimizing electrochemical cells including electrodes employing coordination compounds by mediating water content within a desired water content profile that includes sufficient coordinated water and reduces non-coordinated water below a desired target and with electrochemical cells including a coordination compound electrochemically active in one or more electrodes, with an improvement in electrochemical cell manufacture that relaxes standards for water content of electrochemical cells having one or more electrodes including one or more such transition metal cyanide coordination compounds.
Optimization of electrochemical cell
A system and method for optimizing electrochemical cells including electrodes employing coordination compounds by mediating water content within a desired water content profile that includes sufficient coordinated water and reduces non-coordinated water below a desired target and with electrochemical cells including a coordination compound electrochemically active in one or more electrodes, with an improvement in electrochemical cell manufacture that relaxes standards for water content of electrochemical cells having one or more electrodes including one or more such transition metal cyanide coordination compounds.
Optimization of electrochemical cell
A system and method for optimizing electrochemical cells including electrodes employing coordination compounds by mediating water content within a desired water content profile that includes sufficient coordinated water and reduces non-coordinated water below a desired target and with electrochemical cells including a coordination compound electrochemically active in one or more electrodes, with an improvement in electrochemical cell manufacture that relaxes standards for water content of electrochemical cells having one or more electrodes including one or more such transition metal cyanide coordination compounds.
Optimization of electrochemical cell
A system and method for optimizing electrochemical cells including electrodes employing coordination compounds by mediating water content within a desired water content profile that includes sufficient coordinated water and reduces non-coordinated water below a desired target and with electrochemical cells including a coordination compound electrochemically active in one or more electrodes, with an improvement in electrochemical cell manufacture that relaxes standards for water content of electrochemical cells having one or more electrodes including one or more such transition metal cyanide coordination compounds.
ALL-SOLID SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
An all-solid secondary battery includes: a cathode layer including a cathode active material; an anode layer including an anode current collector, a first anode active material layer, and a second anode active material layer between the anode current collector and the first anode active material layer; and a solid electrolyte layer between the cathode layer and the anode layer and including a solid electrolyte, wherein the first anode active material layer is adjacent to the solid electrolyte layer, has pores, and contains a metal or metal alloy capable of forming an alloy or a compound with lithium, and the second anode active material layer includes a second anode active material including a carbon anode active material and optionally a metal or metalloid anode active material.
Artificial solid electrolyte interface (A-SEI) cap layer including graphene layers with flexible wrinkle areas
This disclosure provides a battery comprising a cathode and an anode positioned opposite the cathode. A hybrid artificial solid-electrolyte interphase (A-SEI) layer is deposited on the anode and includes a plurality of active components. A blended material is interwoven throughout the plurality of active components and configured to inhibit growth of Lithium (Li) dendritic structures from the anode to the cathode. The blended material includes a combination of crystalline sp.sup.2-bound carbon domains of graphene sheets and a plurality of flexible wrinkle areas positioned at joinder points of two of more of the crystalline sp.sup.2-bound carbon domains of graphene sheets and a polymeric matrix configured to bind the plurality of active components and the blended material together. An electrolyte is in contact with the hybrid A-SEI and the cathode and a separator is positioned between the anode and the cathode. The blended material includes curable carboxylate salts of metals.
Pre-lithiation process for electrode by dry direct contact to lithium targets
Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one implementation, a method of fabricating a pre-lithiated electrode is provided. The method comprises disposing a lithium metal target comprising a layer of lithium metal adjacent to a surface of a prefabricated electrode. The method further comprises heating at least one of the lithium metal target and the prefabricated electrode to a temperature less than or equal to 180 degrees Celsius. The method further comprises compressing the lithium metal target and the prefabricated electrode together while applying ultrasound to the lithium metal target to transfer a quantity of lithium from the lithium metal target to the prefabricated electrode.
MEMBER FOR ELECTRICITY STORAGE DEVICES, AND ELECTRICITY STORAGE DEVICE
Provided is a member for an electricity storage device and an electricity storage device in each of which alkali metal ions are used as carrier ions and which can improve charge/discharge characteristics. A member for an electricity storage device includes: a solid electrolyte layer 2 containing an alkali metal ion-conducting solid electrolyte; an alkali metal layer 3 laid on the solid electrolyte layer 2 and containing an alkali metal; and an electrode layer laid on the alkali metal layer 3 and containing a material capable of absorbing and releasing alkali metal ions.
MEMBER FOR ELECTRICITY STORAGE DEVICES, AND ELECTRICITY STORAGE DEVICE
Provided is a member for an electricity storage device and an electricity storage device in each of which alkali metal ions are used as carrier ions and which can improve charge/discharge characteristics. A member for an electricity storage device includes: a solid electrolyte layer 2 containing an alkali metal ion-conducting solid electrolyte; an alkali metal layer 3 laid on the solid electrolyte layer 2 and containing an alkali metal; and an electrode layer laid on the alkali metal layer 3 and containing a material capable of absorbing and releasing alkali metal ions.