硬核中国上新了 | 武科大再破储能极限 钒电池“肚量”翻倍
<p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);">钒电池，被视为大型风电、光伏电站储能的最佳拍档，相比锂电池，安全性更高，使用寿命更长。而它的储电容量，取决于电解液中钒的浓度。近期，武汉科技大学团队将这一指标再次提升，刷新行业纪录。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);">眼前这套全钒液流储能电池，由武汉科技大学钒资源清洁利用团队设计研发。它循环寿命超2万次，是锂电池的十几倍，关键突破在于，团队将电解液中钒的浓度提升到了2.4摩尔，形象地说，以前装满一度电需要一个大水箱，现在只要一半的体积。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; font-weight: bold;">武汉科技大学资源与环境工程学院院长 刘涛：</strong>比方说像1.6摩尔的浓度，对于我们现在这样一个房间的基础用电器，它通常可以维持大概10个小时。我们进一步把钒液浓度提高到2.4摩尔，它就可以达到17到18小时。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);">浓度越高，能量越密，但钒离子也越容易“闹脾气”，在电池里析出沉淀，就像血管里的血栓，不仅堵住“通道”，还会缩短电池寿命。团队放弃传统的硫酸体系，创新引入复合酸体系和糖类添加剂，相当于给电解液加了“稳定剂”。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; font-weight: bold;">武汉科技大学资源与环境工程学院院长 刘涛：</strong>有效提升钒电池性能，可以在钒浓度提升的情况下，温度稳定区间可以从-20到50℃。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; font-weight: bold;">武汉科技大学战略钒资源利用省部共建协同创新中心主任 张一敏：</strong>钒电电解液的制备现在很多体系，目前我们正在研发一种氯硫体系，从价格、包括效能来说要更优于其他。</p><p style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin-top: 1em; margin-bottom: 1em; padding: 0px; word-break: break-word; text-align: justify; text-indent: 2em; font-size: 18px; line-height: 2; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, Segoe UI, Arial, Roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);">高浓度电解液离不开高纯度原料。我国钒页岩储量占全球九成，湖北位列全国第三，但本土矿石品位低，钒含量仅0.7%，提纯如同“沙里淘金”。武科大团队历时四十年攻关，研发出“一步法”短流程清洁生产技术，将钒纯度提升至99.9%，为高浓度电解液量产铺平了道路。目前，2.0摩尔浓度电解液已实现工程化量产，全产业链技术累计创造经济效益超145亿元。</p><p><br/></p><section style="overflow-wrap: break-word; max-width: 100%; color: rgb(67, 74, 84); font-family: -apple-system-font, Helvetica, PingFang SC, Hiragino Sans GB, Arial, Microsoft YaHei; font-size: 14px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box; margin-bottom: 0px;"><section powered-by="xiumi.us" style="overflow-wrap: break-word; max-width: 100%; margin-top: 0.5em; margin-bottom: 0.5em; box-sizing: border-box;"><section style="overflow-wrap: break-word; max-width: 100%; height: 1px; background-color: rgb(160, 160, 160); box-sizing: border-box; line-height: 2em;"><span leaf="" style="overflow-wrap: break-word;"><br style="overflow-wrap: break-word;"/></span></section></section></section><p style="overflow-wrap: break-word; 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