About 147 results
https://drivepatents.com/patents/978775 · 5 Feb 2014
A positive active material for a lithium secondary battery contains a lithium-transition metal composite oxide represented by a composition formula of Li 1+± Me 1-± O 2 (Me is a transition metal element including Co, Ni, and Mn; 1.2 < (1 + ±)/(1 - ±) <...
https://drivepatents.com/patents/978744 · 5 Feb 2014
According to the present invention, a battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative p...
https://drivepatents.com/patents/979200 · 29 Jan 2014
The invention relates to a cylindrical battery including an electrode that can be easily expanded and contracted in outer diameter upon insertion into a case. The cylindrical battery includes a cylindrical battery case (2), and a cylindrical electrode asse...
https://drivepatents.com/patents/979197 · 29 Jan 2014
An object of the present invention is to provide a battery that can be readily fabricated, and further, can suppress movement of an electricity-generating element. A battery 100 is provided with an electricity-generating element 2 that is formed by winding...
https://drivepatents.com/patents/979589 · 15 Jan 2014
An energy storage device (10) including a positive electrode (410), a negative electrode (420), a separator (430) disposed between the positive electrode (410) and the negative electrode (420), and a non-aqueous electrolyte, wherein the negative electrode ...
https://drivepatents.com/patents/979566 · 15 Jan 2014
An object is to provide an electrode assembly in which the adhesiveness of a mixture agent layer onto a current collector can be accurately improved, and an electric storage device including the electrode assembly. Provided are an electrode assembly includ...
https://drivepatents.com/patents/980012 · 8 Jan 2014
The present invention relates to a method for manufacturing a lead-acid battery 100. The method includes: an operating pressure inspecting process of inspecting operating pressures of exhaust valves 6 which are installed in vent plugs 4; a vent plug mounti...
https://drivepatents.com/patents/979871 · 8 Jan 2014
Provided is a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolyte, wherein the positive electrode has a positive active material containing a lithium transition metal composite oxide ha...
https://drivepatents.com/patents/980138 · 1 Jan 2014
The positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an ±-NaFeO 2 -type crystal structure and represented by the composition formula of Li 1+± Me 1-± O 2 (Me is a transition metal includ...
https://drivepatents.com/patents/980404 · 25 Dec 2013
Provided is a positive active material for a lithium secondary battery or a lithium secondary battery using the positive active material, in which the positive active material includes a lithium transition metal composite oxide having an ±-NaFeO 2 -type c...