本发明提供用于锂/钠离子电池负极的氧化锡/碳纤维复合材料及制备方法。将聚丙烯腈加到二甲基甲酰胺中，搅拌得到混合溶液；将氢氧化锡酸锌在马弗炉中进行煅烧，后将产物Zn‑Sn‑O纳米颗粒加入到混合溶液中并充分搅拌均匀；将得到的混合溶液移入到注射器中进行静电纺丝，得到Zn‑Sn‑O纳米颗粒/聚丙烯腈的复合材料；将得到的复合材料首先在空气中预煅烧，然后在惰性气体下煅烧得到Zn‑Sn‑O纳米颗粒/碳纤维复合材料；最后通过稀盐酸刻蚀，洗涤，干燥得到多孔的氧化锡/碳纤维复合材料。当用在钠离子电池中，在100mA g‑1的电流密度下，循环200次其比容量可达280mA h g‑1以上，库伦效率接近100％。
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:214]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:218]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:237]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[ DB ] CONNECT:[ UseTime:0.001218s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001436s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001037s ]
[ SQL ] SHOW COLUMNS FROM `tb_tech` [ RunTime:0.001159s ]
[ SQL ] UPDATE `tb_tech` SET `hit`=`hit`+1 WHERE `id` = 243701 [ RunTime:0.001182s ]
[ SQL ] SELECT * FROM `tb_tech` WHERE `id` = 243701 LIMIT 1 [ RunTime:0.000869s ]
[ SQL ] SHOW COLUMNS FROM `tb_admin` [ RunTime:0.001022s ]
[ SQL ] SELECT `realname` FROM `tb_admin` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000731s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.000961s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 138 LIMIT 1 [ RunTime:0.000747s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 28 LIMIT 1 [ RunTime:0.000681s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001013s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.001392s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 243701 AND `check_status` = 1 AND `category_id` = 138 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.006842s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 243701 AND `check_status` = 1 AND `category_id` = 138 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.023012s ]
[ SQL ] select id,title,tag,submit_date from tb_tech where check_status=1 and id<>243701 order by submit_date desc limit 10 [ RunTime:0.004116s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001108s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.000941s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.000810s ]
[ DB ] CONNECT:[ UseTime:0.001521s ] mysql:host=mccbfzy.mysql.polardb.rds.aliyuncs.com;port=3306;dbname=ysscdb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001387s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001341s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.000971s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.000873s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.000875s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000852s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000845s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.000855s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.001085s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 62 LIMIT 1 [ RunTime:0.000711s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 63 LIMIT 1 [ RunTime:0.001512s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000704s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000717s ]
790
编辑：管理员
来源：北方有色网
咨询细节
2026年08月06日 ~ 08日 
