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US 2016/0240844 A1Published application
Lead-acid battery, negative electrode plate thereof and method for producing lead-acid battery
AssigneeGS Yuasa International Ltd.
InventorIkumi MOTOI
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Abstract
A lead-acid battery includes a negative electrode plate; a positive electrode plate; and an electrolyte solution, the negative electrode plate including a negative electrode material containing an inorganic sulfate and an anti-shrink agent, the inorganic sulfate having a 111 crystal plane or an average secondary particle size of 3.8 μm or more, the anti-shrink agent being adsorbed to the inorganic sulfate.
Claims19
A lead-acid battery comprising:
- a negative electrode plate;
- a positive electrode plate;
- and
- an electrolyte solution,
- wherein the negative electrode plate includes a negative electrode material containing an inorganic sulfate and an anti-shrink agent,
- the inorganic sulfate has a 111 crystal plane, and
- the anti-shrink agent is adsorbed to the inorganic sulfate.
4 more elements
A lead-acid battery comprising:
- a negative electrode plate;
- a positive electrode plate;
- and
- an electrolyte solution,
- wherein the negative electrode plate includes a negative electrode material containing an inorganic sulfate and an anti-shrink agent, and
- the inorganic sulfate has an average secondary particle size of 3.8 μm or more.
3 more elements
A method for producing a lead-acid battery, the method comprising:
- adsorbing an anti-shrink agent to an inorganic sulfate having a 111 crystal plane in an amount of 15 g/100 g or more;
- and
- filling a negative electrode current collector with a paste, which contains the inorganic sulfate with the anti-shrink agent adsorbed thereto, and a lead powder, to produce a negative electrode plate.
Dependencies are inferred from the claim text.