China Watch is a weekly briefing on under-reported regulatory developments from China’s environmental and battery sectors. What Happened On June […]
Oily wastewater is one of those treatment problems where the physics hasn’t changed in 50 years, but plants still get
Every Monday, China Watch brings you one under-the-radar regulatory or industry development from China that will matter to your business
After coating and drying, your electrode is a porous, fragile film of active material particles loosely bonded to a metal
An MBR (Membrane Bioreactor) gives you the best effluent quality of any biological treatment process—consistently 5 mm) — fine bubbles
If your facility generates hazardous waste and stores it on-site before disposal, the storage room is the single most scrutinized
Every lithium battery cell—whether it powers a power tool, an EV, or a grid storage system—starts with the same two
If you’re hauling wet sludge off-site, every percentage point of moisture content above 60% is money you’re paying to truck
If you operate an industrial facility in a jurisdiction with a carbon market—China, the EU, California, or increasingly Southeast Asia—carbon
If your plant is about to install a new dust collection system and someone tells you “just pick the cheapest
If you’ve ever stood in front of a vendor’s quote comparing a $45,000 shell & tube exchanger against a $28,000
在锂电池制造链上，匀浆是第一步，也是良率的第一个分水岭。 涂布机再好、辊压机再精密、化成柜再先进——如果浆料不对，后面的每一步都是在做”损伤控制”。我见过一条产线因为浆料粘度漂移的问题，涂布良率从95%掉到82%，持续了两周才找到根因。两周，每天少出3000颗电芯的合格品。 这篇文章不讲匀浆的基础原理（那部分在[前一篇](https://greenengguide.com/lithium-battery-slurry-preparation)已经写过了），而是聚焦在参数优化上——固含量、粘度、分散性这三个变量如何相互制约，以及如何在它们之间找到真正适合你产线的平衡点。 为什么是这三个参数？ 匀浆有十几个可调变量：搅拌速度、搅拌时间、加料顺序、温度、真空度、固含量、溶剂比例……但最终决定浆料能不能涂好的，只有三个输出指标： 1. 固含量（Solid Content）——浆料里有多少活性物质2. 粘度（Viscosity）——浆料流动的难易程度3. 分散性（Dispersion Quality）——颗粒在浆料中的均匀程度 所有其他参数（转速、时间、温度等）都是为这三个输出指标服务的。问题是，这三个指标之间存在天然的冲突： – 提高固含量，粘度会急剧上升，分散性下降– 过度分散（长时间高剪切），粘度可能反弹（过分散效应）– 降低粘度（加溶剂）会降低固含量，影响涂布面密度 这就是”三角平衡”——你不可能同时最大化三个指标，必须根据你的涂布工艺找到最优解。 固含量：不是越高越好，也不是越低越安全 固含量决定了什么？ 固含量直接影响三件事：