第一百三十五章:精度是关键(1 / 2)

“成本的主要问题还是没有成熟的全自动生产设备。”</p>

阿丽塔也是给出了楚风的回答。</p>

就这个仿生手臂可以算得上是纯“手工”打造了。</p>

“那还差什么?”楚风看了看依旧在任劳任怨的工程机器人,还在不停打造另外的一个仿生腿部躯体,确实是挺慢的,根本不可能运用到大规模推广上。</p>

“生物材料合成机,石墨烯制取机,超精密拉丝制取机,纳米电容制造……”</p>

“停停停!”</p>

楚风赶紧喊停了还想接下去说的阿丽塔,光这些都听得楚风云里雾里了。</p>

果然,没有哪个是从无到有的了,其中包含的东西实在太多了,每一个高端的产品都是从一个个小小的基础开始制造出来的,就像建房子一样,要打下好点的地基才能建造出来高大的楼房。</p>

不过,看其中应用最多的还是石墨烯的工艺,不管是石墨烯的芯片,还是石墨烯的导热设备,还是石墨烯的电池,都需要应用到大量的石墨烯。</p>

而且石墨烯作为现代各国都在加紧研究的热门材料,许多国家纷纷建立石墨烯相关技术研发中心,尝试使用石墨烯商业化,进而在工业、技术和电子相关领域获得潜在的应用专利。</p>

打击都在不同领域尝试不同方法以求制备高质量、大面积石墨烯材料。并通过对石墨烯制备工艺的不断优化和改进,降低石墨烯制备成本使其优异的材料性能得到更广泛的应用,并逐步走向产业化。</p>

石墨烯材料优异的性能及其潜在的应用价值,在化学、材料、物理、生物、环境、能源等众多学科领域都有宽阔的前景。</p>

上次给华伟的石墨烯芯片生产技术就是应用的微机械剥离法,利用特制的透明胶带将高定向热解石墨片按压到其他表面上进行多次剥离,最终得到单层或数层的石墨烯。</p>

微机械剥离方法操作简单、制作样本质量高,是当前制取单层高品质石墨烯的主要方法。</p>

但是这样制造的石墨烯尺寸较小,成本高,只能作为芯片载体的存在,不适合大规模生产。</p>

而起源现在准备使用的第一方法生产石墨烯就是化学气相沉淀CVD法,将碳氢化合物甲烷、乙醇等通入到高温加热的金属基底Cu、Ni表面,反应持续一定时间后进行冷却,冷却过程中在基底表面便会形成数层或单层石墨烯,此过程中包含碳原子在基底上溶解及扩散生长两部分。</p>

这样的方法与金属催化外延生长法类似,其优点是可以在更低的温度下进行,从而可以降低制备过程中能量的消耗量,并且石墨烯与基底可以通过化学腐蚀金属方法容易地分离,有利于后续对石墨烯进行加工处理。</p>

但是需要使用到大量的金属矿物,而以前楚风在摩佳迪沙的矿物生产基地就有用武之地了。</p>

现代社会其实有了这样的方法,但是现今世界上的化学气相沉淀法在制备后期,对于石墨烯的转移过程比较复杂,而且制备成本较高,另外基底内部生长与连接往往存在缺陷。</p>

而起源的技术却没有这样的问题。</p>

这是制造石墨烯透明导电薄膜的方法,在制取石墨烯其他材料的时候,就是使用简单粗暴的切割石墨的方法制得石墨烯材料。</p>

使用起源设计的聚焦离子来切割块状石墨,得到需要的石墨烯材料,不需要氧化也不需要还原,保证了石墨烯的结构性和完整性。</p>

说起来感觉很简单,但是真正要实现的话,石墨烯的产量也不会那么低了,毕竟石墨烯可是纳米材料。</p>

而石墨烯是一种由碳原子以sp杂化轨道组成六角型呈蜂巢晶格的二维碳纳米材料,而厚1毫米的石墨大约包含300万层石墨烯。</p>

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