电解铜是什么时候开始有的？

中文版：

电解铜，作为金属铜的一种重要生产方式，其出现的历史可以追溯到19世纪末。在此之前，铜的提取主要依赖于火法冶炼，这种方法能耗高、效率低，而且对环境造成了严重的污染。随着科技的发展，人们开始寻找更为高效、环保的铜提取方法。

19世纪末，电解技术的出现为铜的提取带来了革命性的变革。通过电解法，人们能够直接从含铜的溶液中提取出纯度极高的铜金属，这一过程不仅降低了能耗，提高了生产效率，而且大幅减少了环境污染。

自那时起，电解铜逐渐成为了铜生产的主流方式。随着电解技术的不断完善和进步，电解铜的产量和质量都得到了大幅提升。如今，电解铜已经成为许多行业，特别是电气、建筑和交通等领域不可或缺的重要材料。

英文版：

When Did Electrolytic Copper Begin to Exist?

The emergence of electrolytic copper, a crucial production method for the metal copper, can be traced back to the late 19th century. Before this time, copper extraction primarily relied on pyrometallurgical smelting, which was energy-intensive, inefficient, and caused significant environmental pollution. With the advancement of technology, people began searching for more efficient and environmentally friendly methods of copper extraction.

The advent of electrolytic technology in the late 19th century brought revolutionary changes to copper extraction. Through electrolysis, people were able to extract highly pure copper metal directly from copper-containing solutions. This process not only reduced energy consumption and improved production efficiency but also significantly reduced environmental pollution.

Since then, electrolytic copper has gradually become the mainstream method of copper production. With the continuous improvement and advancement of electrolytic technology, the production volume and quality of electrolytic copper have been greatly enhanced. Nowadays, electrolytic copper has become an indispensable material in many industries, especially in the electrical, construction, and transportation sectors.