Abstract:
An apparatus and method of providing an apparatus, the apparatus comprising: an electrode comprising metal; an anode comprising a composite of halide salt and conductive carbon based material wherein the anode is deposited on the electrode; a cathode comprising metal; and a solid electrolyte provided between the cathode and the anode.
Abstract:
The present invention provides an electrolyte comprising polymer comprising alkyl- capped PEG; an alkaline agent; and water, wherein the water is present in an amount greater than or equal to about 60 wt% of the electrolyte and methods of producing the same. The present invention further provides an electrochemical cell comprising said electrolyte, and methods of producing the same. The present invention also provides a separator comprising alkyl-capped PEG and cellulose, and methods of producing the same.
Abstract:
A rechargeable battery is disclosed having electrode and separator structures which are made up of fibre-reinforced composite material, thereby allowing the battery itself to serve as an integral structural component. The utilisation or efficiency of the rechargeable battery is considerably enhanced by rendering at least part of the matrix material of the electrodes and the separator porous, thereby to facilitate improved access to active sites on the electrodes, with the porosity in the separator allowing improved ion transport, both of which enhance cell operation. The porous structure also provides improved electrolyte containment and retention in the event of damage.
Abstract:
Herein provided axe polyelectrolyte membranes that block dendrite growth in rechargeable batteries, possess low inherent electrical resistance to be used as separators, possess high ionic conductivities, and block fuel crossover in direct fuel feeding fuel cells. Further provided are cost-effective processes for forming polyelectrolyte membranes. The herein described polyelectrolyte membranes are useful in electrochemical cells such as primary batteries, secondary batteries such as Ag-Zn, Ni-Zn, Ni-MH, Li polymer, and Li-ion; fuel cells including but not limited to metal air battery or fuel cells, proton exchange membrane hydrogen fuel cells, direct liquid feed fuel cell.
Abstract:
The conductivity and rechargeability of silver oxide cathodes especially for secondary Ag-Zn batteries, is improved by coating silver oxide particles dispersed in an inert binder with a layer of an organic sulfonate especially a hydrophobic sulfonate such as a fluorinated alkyl sulfonate.
Abstract:
A battery case for a battery containing swellable cellulose separators including case members having opposed undulating mating surfaces and a rim and groove sized to space the surfaces a predetermined distance apart to form a gripping channel such that the outer portion of a stack of dry separators occupies at least 80% but no more than 98% of said channel. On injecting liquid electrolyte into the case, the separators swell and are securely gripped by said undulations and mating surface.
Abstract:
アルカリ蓄電池において、優れた放電特性と、高い寿命特性とを両立できる電極用合金粉末を提供する。電極用合金粉末は、水素吸蔵合金を含み、水素吸蔵合金は、元素L、Mg、Ni、Alおよび元素M a を含み、元素Lは、周期表第3族元素および第4族元素からなる群より選択される少なくとも1種(ただし、Yを除く)であり、元素M a は、Ge、YおよびSnからなる群より選択される少なくとも2種であり、元素LとMgの合計に占めるMgのモル比xは、0.008≦x≦0.54であり、元素LとMgの合計に対するNiのモル比yは、1.6≦y≦4であり、元素LとMgの合計に対するAlのモル比αは、0.008≦α≦0.32であり、元素LとMgの合計に対する元素M a のモル比βは、0.01≦β≦0.12である。
Abstract:
The present invention provides novel cathodes having a reduced resistivity and other improved electrical properties. Furthermore, this invention also presents methods of manufacturing novel electrochemical cells and novel cathodes. These novel cathodes comprise a silver material that is doped with a silicate material.
Abstract:
The present invention provides a separator for use in an alkaline electrochemical cell comprising a polymer material and an inert filler comprising zirconium oxide. Examples of polymer materials useful in this invention include ABS polymer material, halogenated alkylene polymer material, and PE polymer material.