Particular embodiments described herein provide for a privacy cover in an electronic device. The battery system can be configured to monitoring one or more condition of a battery using a battery electrolyte controller that is separate from the battery, adjusting one or more properties of an electrolyte in an electrolyte conduit, where the electrolyte conduit is coupled to an inlet and an outlet on the battery, and activating a pump to move the electrolyte with the adjusted one or more properties into the battery.

The invention relates to a rechargeable battery comprising a battery housing which has a cell cavity, or several cell cavities separated by dividing walls. One or more of the cell cavities have at least one respective positive and negative electrode, separated from each other by at least one separator and a liquid electrolyte. One or more of the cell cavities have a respective wall element, which partitions the respective cell cavity into at least two volume chambers which communicate with one another. At least in the lower regions of the volume chambers, a communicating connection between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers, a pressure compensation connection between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided. Also disclosed is a wall element for such a rechargeable battery, and a battery housing.

The present disclosure relates to a method for injecting an electrolyte to a pouch secondary battery which includes the steps of: interposing an electrode assembly between a first metal laminate film and a second metal laminate film forming a pouch casing, and sealing the edges of each of the films with an electrolyte inlet left therein, thereby providing a pouch secondary battery; mounting the pouch secondary battery between a first jig and a second jig, which are installed in a jig stand so as to have a controllable interval and form a gap space, with the electrolyte inlet facing up, and injecting an electrolyte through the electrolyte inlet; loading the jig stand to a vacuum chamber; increasing the width of the gap space by moving the first and the second jigs so that the area occupied by the electrolyte may be localized in the lower part of the pouch casing, and then forming vacuum atmosphere; and moving the first and the second jigs while maintaining the vacuum atmosphere so that the width of the gap space may be reduced gradually and the liquid surface of the electrolyte may be lifted gradually to a position higher than the top of the electrode assembly.

A method for assembling a lithium-ion reserve battery. The method including: charging an assembled lithium-ion reserve battery, the assembled lithium-ion battery including electrodes forming a battery cell, electrolyte and a membrane separating the battery cell and the electrolyte, the electrodes being charged into a charged state; disassembling the charged lithium-ion reserve battery; rinsing and drying at least the electrodes of the disassembled lithium-ion reserve battery; and reassembling the lithium-ion reserve battery with the rinsed and dried electrodes in the charged state and without the electrolyte; wherein the reassembling includes hermetically sealing a housing containing the battery cell. A method for activating such lithium-ion battery further includes, subsequent to the reassembly, introducing the electrolyte into the battery cell to activate the lithium-ion battery.

An electric storage device comprises a rectangular parallelepiped case including first and second opposed main walls which are separated in a thickness direction of the case. An integrated electrode body is located in the case between the first and second main walls. The integrated electrode body includes a positive electrode, a negative electrode, and a separator disposed between the positive and the negative electrodes. The electrode body has a bending strength which is higher than bending strength of the first main wall which is physically coupled to the electrode body. An electrolyte is located in the case.

A electrochemical storage device, referred to herein as a radical-ion battery, is described. The radical-ion battery includes an electrolyte, first free radicals, and second free radicals, wherein the first free radicals and the second free radicals are different chemical species. The radical-ion battery also includes a separator that allows select ions to pass therethrough, but separates the electrolyte from the second free radicals.

A secondary battery including: an electrode assembly including a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; and an accommodation portion, wherein the electrode assembly is disposed in the accommodation portion, and wherein a semipermeable electrolyte solution storage portion is adjacent to the electrode assembly in an upper end or a lower end of the accommodation portion.

A power storage cell includes a cell case and an electrode assembly. The cell case houses the electrode assembly. The cell case includes a top wall, a peripheral wall, and a bottom wall. The top wall faces the bottom wall. The peripheral wall connects the top wall and the bottom wall. The top wall is provided with an electrode terminal. A current path that electrically connects the electrode terminal and the electrode assembly is formed in the cell case. The current path includes a fuse portion. The power storage cell further includes at least one of a thermal expansion member and a thermal contraction member. The thermal expansion member is disposed between the top wall and the electrode assembly. The thermal contraction member is disposed between the electrode assembly and at least one of the peripheral wall and the bottom wall. The thermal contraction member supports the electrode assembly.

A zinc-air secondary battery includes an air positive electrode part, a separator, and a zinc gel negative electrode part in a case, provided with an electrolyte flow part for inducing electrolyte to flow inside the zinc gel negative electrode part. The oxygen discharging efficiency that remains in the zinc gel negative electrode part and is not smoothly discharged to the outside can be improved, and thus charging performance of the zinc-air secondary battery can be improved.

A method for manufacturing a lithium ion secondary battery, the lithium ion secondary battery including a positive electrode and a negative electrode disposed with a separator sandwiched therebetween and contained together with an electrolytic solution in an outer case including a flexible film, wherein the quantity of dissolved nitrogen in the electrolytic solution in injecting the electrolytic solution into the outer case is 100 g/mL or less.