本发明涉及一种均匀改性的硅基复合材料及其制备方法和应用，硅基复合材料的通式为S i CxAyOz；0＜x＜20；0＜y＜10；0＜z＜10；其中，A为B、A l、Mg、Ca、Fe、Co、N i、Cu、Zn、Ge、Sn、L i中的一种或多种，C以原子尺度均匀弥散分布在硅基复合材料的颗粒内部，且无20nm以上的碳元素团聚；部分或所有碳原子与硅原子结合形成无序的S i‑C键；在硅基复合材料的聚焦离子束‑透射电镜F I B‑TEM测试中，颗粒切面的能谱面扫显示颗粒内部硅元素、碳元素、A元素、氧元素均匀分布；所述硅基复合材料的微观结构为多相弥散结构；所述硅基复合材料颗粒的平均粒径D50为1nm‑100μm，比表面积为0.5m2/g‑40m2/g；所述碳原子的质量占硅基复合材料质量的0.1％‑40％；所述A元素的质量占复合颗粒质量的3％‑40％。
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[ DB ] CONNECT:[ UseTime:0.001211s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
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[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.000999s ]
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[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 237345 AND `check_status` = 1 AND `category_id` = 138 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.005425s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 237345 AND `check_status` = 1 AND `category_id` = 138 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.071457s ]
[ SQL ] select id,title,tag,submit_date from tb_tech where check_status=1 and id<>237345 order by submit_date desc limit 10 [ RunTime:0.004556s ]
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[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001072s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001182s ]
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