Built-in high up to 1500MAH free maintenance seaied lead-acid rechargeable hattery.

1、内置可充电免维护、容量高达1500Mah，密闭电池。

Four new materials,such as carbon suspension,sodium sulfonate of polyoxyethylene allyl glycidyl nonyl phenyl ether,vanillyl alcohol,vanillin,etc,in lead-acid storage batteries were reviewed.

综述了电池碳素悬浊液的制备与作方式以及在电池使氧化乙烯烯丙基缩水甘油基壬基苯醚的硫酯钠盐、香草醇和香草醛的目的及作。