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5分钟给汽车充满电?——以色列快速充电电池公司StoreDot探秘
科研人员手在高压舱内做电池实验。(摄影 颜旭)
国际在线报道(中国国际广播电台驻耶路撒冷记者孙伶俐、颜旭):虽然各国政府都在大力推广更加环保的电动汽车,但是电动汽车的发展却遇到了3个瓶颈:充电时间长、续航力短以及基础设施不完善。消费者不愿意购买电动汽车的主要原因就是充电麻烦,耗费时间长。不过,现在快速充电问题获得了突破性进展。今年5月在德国柏林全球初创企业展上,以色列一家初创公司StoreDot展示了其酷炫的高科技,用他们的“闪充”快速充电电池短短5分钟就给电动汽车充满了电,而且续航能力达到480公里。这一消息引发了民众的强烈关注。毫无疑问,如果“闪充”电池市场化,将会引发汽车工业的洗牌,在全球掀起一场能源革命。那么,这种神奇的电池是由什么做成的?什么时候能大规模市场化?
这家能生产“闪充”快速充电电池的StoreDot有限公司是材料及其设备应用创新的行业领导者,成立于2012年,总部位于以色列的“硅谷”赫兹利亚,现在有75名员工。在StoreDot公司的实验楼内,记者参观了有机合成化学实验室、有机物测试平台、高速旋转材料混合器、机器人电池组装机等多个实验室,身穿白大褂的科技人员正在将纳米材料与新型有机化合物相结合,利用纳米材料保护合成有机材料不膨胀和不分解,从而也消除了传统充电电池存在的安全隐患,以这种独特方法研发开创性的充电电池材料。
StoreDot公司CEO多荣展示手机闪充电池。(摄影 孙伶俐)
StoreDot公司的首席执行官多荣·梅尔斯道夫表示,公司对于“闪充”电池的设计理念就是要让电池既安全又快速地充满电,电池使用寿命和价格也要让老百姓能够接受。他说,当其他公司将汽车电池的重点放在提高单次充电后汽车的续航能力上时,他们公司则另辟蹊径,将电池快充作为自己的主攻方向,它改变了人们对充电电池的传统思维。现在他们证明化学途径完全能够实现电池快充,不过仍然面临3个挑战,因此需要花费大量时间做实验,寻找合适的电池材料。“首先是材料的供给,其次是对材料的加工,同时涂层的厚度必须非常薄,比如说我们的涂层是7微米,但是一般工业生产的则是200微米。所以这是不同的更薄的涂层,和我们以前工业使用的不一样,这就是挑战,花费了我们大量时间。”
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