| abstract |
Lithium secondary battery of the present invention maintains good cycle characteristics and can realize high capacity.Lithium secondary battery of the present invention just have the positive electrode collector be made up of conductive material and the positive electrode active material layer be made up of sintered lithium complex oxide plate.Positive electrode active material layer is engaged by conductivity knitting layer with positive electrode collector.The invention is characterized in: the thickness of positive electrode active material layer is more than 30 μm, and average pore diameter is 0.1-5 μm, voidage is more than 3% and less than 15%. |