A novel graphene anode active compound used for lead-acid storage batteries and a preparing method thereof
A graphene negative electrode and lead-acid storage battery technology, which is applied in the direction of battery electrodes, circuits, electrical components, etc., can solve the problems of affecting the battery cycle life, poor charging acceptance, and poor performance, so as to improve the cycle life And the effect of high current charge and discharge capacity, performance improvement, and enhanced conductivity
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Embodiment 1
[0020] A new type of graphene negative electrode active material for lead-acid storage battery, its percentage by weight, colloidal graphite 1%, humic acid 0.8%, lignin 0.8%, barium sulfate 0.9%, polypropylene staple fiber 0.15%, polytetrafluoroethylene 0.12%, 0.09% polyvinyl alcohol; 0.15% 1,2-propanediol, 0.15% nano-powdered graphene, 1% acetylene black, 80% lead powder, 8% 1.4g / ml sulfuric acid, and the rest is high-purity deionized water .
Embodiment 2
[0022] A new type of graphene negative electrode active material for lead-acid storage battery, its percentage by weight, colloidal graphite 1.2%, humic acid 0.5%, lignin 0.3%, barium sulfate 1.2%, polypropylene staple fiber 0.07%, polytetrafluoroethylene 0.15%, 0.03% polyvinyl alcohol; 0.2% 1,2-propanediol, 0.3% nano-powder graphene, 0.8% acetylene black, 85% lead powder, 1.4g / ml sulfuric acid 7%, the rest is high-purity deionized water .
Embodiment 3
[0024] A new type of graphene negative electrode active material for lead-acid storage battery, which comprises 0.5% of colloidal graphite, 0.6% of humic acid, 0.8% of lignin, 0.5% of barium sulfate, 0.2% of polypropylene staple fiber, and polytetrafluoroethylene by weight percentage. 0.05%, 0.2% polyvinyl alcohol; 0.1% 1,2-propanediol, 0.1% nano-powdered graphene, 1.5% acetylene black, 75% lead powder, 1.4g / ml sulfuric acid 10%, the rest is high-purity deionized water .
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