| abstract |
An improvement in the electrode plate strength of a negative electrode for a non-aqueous electrolyte secondary battery and the improvement in the acceptability of lithium ions by the negative electrode can be achieved. In a negative electrode for a non-aqueous electrolyte secondary battery, a negative electrode mixture layer includes graphite particles, a water-soluble polymer, and rubber particles, and the amount of the water-soluble polymer is 100 weights of the graphite particles. 0.6 to 3 parts by weight per part, the amount of rubber particles is 0.4 to 1.5 parts by weight per 100 parts by weight of graphite particles, the water-soluble polymer has a molecular weight of 200,000 or more and ether A first water-soluble polymer having a degree of conversion of 0.8 or less and a second water-soluble polymer having a molecular weight of 150,000 or less and an etherification degree of 0.8 or less. The first water-soluble polymer has a surface of the graphite particles. The second water-soluble polymer and the rubber particles are bonded to each other between the graphite particles coated with the first water-soluble polymer. [Selection] Figure 1 |