一种(Zn,Mn)Se/C复合材料，其特征在于：其化学式为Zn0.697Mn0.303Se/C，为二维椭圆薄片状结构，短径约为0.8μm，长径约为1.2μm，尺寸为10~40nm的双金属硒化物颗粒被包裹在碳基体中，碳基体表面均匀分布有尺寸为10~40nm的凸起纳米颗粒。本发明制备的Zn0.697Mn0.303Se/C复合材料，形成相貌规整、尺寸均匀、分散性优异的片状结构的Zn‑Mn‑ptcda，复合才料中无定形碳含量少，具有优异的储锂性能、循环稳定性和倍率性能；100 mA g‑1的电流密度下，经过110次充放电循环后，可逆容量高达1005.14 mAh g‑1，在1 A g‑1的大电流密度下经过1000次循环，容量仍保持在653.79 mAh g‑1。
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[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]
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[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
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[ DB ] CONNECT:[ UseTime:0.001390s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.002273s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001220s ]
[ SQL ] SHOW COLUMNS FROM `tb_tech` [ RunTime:0.001274s ]
[ SQL ] UPDATE `tb_tech` SET `hit`=`hit`+1 WHERE `id` = 602129 [ RunTime:0.001333s ]
[ SQL ] SELECT * FROM `tb_tech` WHERE `id` = 602129 LIMIT 1 [ RunTime:0.001031s ]
[ SQL ] SHOW COLUMNS FROM `tb_admin` [ RunTime:0.001162s ]
[ SQL ] SELECT `realname` FROM `tb_admin` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000820s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001024s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 141 LIMIT 1 [ RunTime:0.000877s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 28 LIMIT 1 [ RunTime:0.000803s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001048s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.001495s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 602129 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.002833s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 602129 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.116252s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001266s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.000939s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.000997s ]
[ DB ] CONNECT:[ UseTime:0.001354s ] mysql:host=mccbfzy.mysql.polardb.rds.aliyuncs.com;port=3306;dbname=ysscdb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001313s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001291s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.001061s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.001051s ]
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[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000999s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000911s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.000920s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.001135s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 62 LIMIT 1 [ RunTime:0.000955s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 63 LIMIT 1 [ RunTime:0.001090s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000875s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 65 LIMIT 1 [ RunTime:0.001693s ]
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