晶和锂电池专用纳米二氧化�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="TEXT-INDENT: 192px"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 16px"><span style="FONT-FAMILY: 宋体">锂电池专�?/span></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 16px"><span style="FONT-FAMILY: 宋体">纳米二氧化硅</span></span></p><p style="TEXT-INDENT: 28px"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">�?/span></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">品特点含量高，粒径均匀，具有很好的活性。在电池中添加一定比例的电池专用纳米二氧化硅＇�/span>VK-SP15D），可以很大的提高电池电化学性能，比如机械性能、导电率、断裂伸长率、循环性能、寿命等，因此纳米二氧化硅在电池领域具有很高的应用价值、�/span></p><p style="TEXT-INDENT: 28px"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">技术指栆�/span></span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">项目</span> <span style="FONT-FAMILY: 宋体">指标</span></span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">型号</span> VK-SP15D</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">外观</span> <span style="FONT-FAMILY: 宋体">白色末状</span></span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">原生粒径＋�/span>nm 30±10</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">比表面积＋�/span>m2/g 2</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">5</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">0±30</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">含量</span> % �?9.8</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">PH�?nbsp; 4.0-6.5</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">加热减量＋�/span>% �?.0</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">灼烧失重</span> �?� �?.0</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"> </span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">应用特性：</span></span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">1�?nbsp; 用纳米二氧化硅配制出来的胶体电解液，凝胶能力强，粘度适合的，形成的胶体电解液柔软，触变性好，胶体的三维网络结构适中的，电阻小，放电电流大，电容量高，且不会出现水化分层，还可以大大增加胶体的循环寿命、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">2�?nbsp; 在隔板中添加纳米二氧化硅，可以增大孔径，增加胶体电解液总量。有效防止电解液分层，减小腐蚀速度，提高使用寿命。添加纳米SiO2可以提高隔板的拉伸强度，降低隔板的孔径；当隔板所受的压力大于30kPa时，添加纳米SiO2的隔板的吸液量超过纯玻璃棉隔板；</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">3�?nbsp; 在复合聚合物中添加纳米二氧化硅做成的二次锂电池隔膜具有较高的吸液率、电导率和韧�?nbsp;,电解质吸收率�?nbsp;184.4%,室温电导率为 1.20mS/cm ,断裂伸长率高�?nbsp;163%。利用含纳米二氧化硅的复合聚合物隔膜装配的二次锂电池的首放比容量�?nbsp;834.8mAh/g,�?nbsp;40 次的放电比容量达�?nbsp;400mAh/g,循环效率达到 99.8%以上 ,表现出良好的电化学性能、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">4�?nbsp; 纳米SiO2可以降低聚合物体系的结晶速率，使其更长时间地保持在无定形相状态、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">5�?nbsp; 正负极板之间的粒状纳米二氧化硅能保持电池中电解液的一致性和可通过氧气的空穴，显著降低干水故障、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">6�?nbsp; 通过原位复合法引入纳米SiO2有利于提高P(VDF-HFP)基微孔型聚合物电解质的电导率、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">7�?nbsp; 纳米二氧化硅粒子能吸收液态电解质中的水分，减少了界面反应、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">8�?nbsp; 聚合物锂电池中通过添加纳米二氧化硅粉体，可以很大地提高电解质膜的微观结构及力学、电学等性能，使电解质隔膜具有很好的电导率和机械强度、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">建议用量９�/span>0.2-2%,客户科根据实际情况，试验选择添加量、�/span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"> </span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">匄�/span> 装：10公斤/�?nbsp; </span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"> </span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">晶瑞新材斘�/span></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"> <span style="FONT-FAMILY: 宋体">甘先甞�/span></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">18620******</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体">微信同号</span></span></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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