A zinc-vanadium battery (1) includes a modified positive electrode structure (including a positive electrode (10) and a modified layer (12)), a separator (14), a negative electrode (16), and an aqueous electrolyte (18). The modified layer (12) on the posit...

Provided is a lithium secondary battery having high stability and high energy density. A lithium secondary battery includes a positive electrode and a negative electrode wherein the positive electrode includes one or more positive electrode active material...

There is proposed a rechargeable battery containing a tank, a separator, a negative electrode, a positive electrode made of a carbon material, and electrolyte solution which contains halide ions, characterized in that the charged positive electrode contain...

Electroconductive polymers of different kinds are doped with an anion which is the same as that derived from a single acid that occupies the most part of an electrolytic solution of a polymer battery. A cathode (2) and an anode (4) are manufactured from th...

A secondary battery comprises a pair of collectors made of a valve action metal, a pair of electrodes comprising a sulfuric acid aqueous solution, a separator and an outer can. Each collector is covered with an oxide film of a thickness of 1.7-10 nm. The o...