Without adding
thickener CMC and organic solvents such as NMP, production process is simple, safe,
environmental protection, no pollution.
In 2008, through a long period of time of validation, the largest domestic power battery
producers began in their products application LA;In 2011, through three years of
authentication, LA certified by China's top battery maker, and start application in its
high-end battery products.
Relative to the PVDF and SBR, LA electrical contact of electrode powder materials have
more stable ability, which can effectively improve circulation, low discharge and high
temperature with battery storage, such as performance, increasing the safety of the
battery.
To replace PVDF LA, can completely avoid the use of organic solvents in the electrode
manufacture (NMP), which not only can greatly reduce the cost of raw materials, at the
same time, also can completely prevent NMP pollution to the environment and the harm
of operation staff.NMP has into the high attention in 2011 by the European Union to
control material.
LA has more than 10 years of marketing market, widely used in consumer electronics
batteries, power batteries and energy storage batteries.In 2012, has sold more than 1150
tons, 2013 tons of annual production capacity has reached 2013.
LA aqueous binder is the water dispersion of acrylonitrile multi-copolymer, it has good
antioxidant and anti-reduction ability and can be applied to a variety of cathode and
anode materials(including LiCoO2,LiMn2O4 and LiFePO4 cathode material,carbon
anode material and activated carbon)
LA133 has a relatively high viscosity compared to LA132 and has a better suspension
ability to powder materials.
LA aqueous binder has high viscosity and pure quality, thickener and organic solvent are
not needed while using it, so the cost of materials can be reduced effectively, at the same
time, the environmental pollution caused by solvent-based binder during the production
of lithium-ion battery and poor safety can also be effectively avoided.
The lithium-ion battery which uses LA aqueous binder has excellent cycle performance
and rate capability, the cell polarization is slight.
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