You Should Know

##Introduction

Lithium batteries are widely used in electric vehicles (EVs), renewable energy storage, and consumer electronics due to their high energy density, long lifespan, and efficiency. Their production involves a complex and highly controlled process to ensure safety and performance. From raw material extraction to the final battery pack assembly, each stage plays a crucial role in determining the quality and sustainability of lithium battery. This article provides a streamlined analysis of the entire manufacturing process, highlighting key materials, steps, and emerging innovations.

##Raw Materials in Lithium Battery Manufacturing

The core components of lithium batteries include the cathode, anode, electrolyte, separator, and current collectors. Cathode materials such as lithium nickel manganese cobalt oxide (NMC), lithium iron phosphate (LFP), and lithium cobalt oxide (LCO) influence battery performance, energy density, and cost. Graphite remains the dominant anode material, though silicon and lithium-metal alternatives are gaining attention for their superior capacity. Electrolytes, typically lithium hexafluorophosphate (LiPF6) dissolved in organic solvents, enable ion movement, while polymer separators prevent short circuits. The entire system is supported by copper and aluminum current collectors, which facilitate efficient electrical conductivity.

##Lithium Ion Battery Manufacturing Process

Electrode Preparation, Cell Assembly, and Formation

Manufacturing begins with electrode preparation, where active materials are mixed with binders and conductive additives to form a slurry. This mixture is coated onto metal foils and dried before undergoing calendering, which compresses the material to optimize density and electrical properties. Next, the cell assembly stage involves cutting electrodes to precise sizes, stacking them with separators, and injecting the electrolyte. Once sealed, the cell moves to the formation process, where it is charged for the first time to develop a stable solid electrolyte interphase (SEI) layer, a critical factor in battery longevity.

##Battery Pack Assembly and Quality Testing

Once individual cells are ready, they are combined into modules and packs. A battery management system (BMS) is integrated to monitor temperature, voltage, and charging cycles, ensuring safe operation. The final battery pack undergoes rigorous quality testing, including cycle life evaluations, leakage detection, and thermal stability assessments.

Challenges and Innovations in Lithium Battery Manufacturing

Advancements in lithium ion battery technology are addressing key challenges such as environmental impact, cost, and efficiency. Sustainable production focuses on reducing reliance on rare and expensive materials like cobalt while improving recycling methods. Automation and AI-driven optimization are also enhancing production efficiency, reducing waste, and increasing overall battery lifespan. Solid-state batteries, which replace liquid electrolytes with solid conductors, are emerging as a promising alternative, offering improved safety and energy density.

##Strategies for Enhancing Sustainability in Lithium Battery Manufacturing

Recycling and Material Recovery: Recovering valuable materials such as lithium, cobalt, and nickel from used batteries reduces dependence on mining and lowers environmental impact. Advanced hydrometallurgical and direct recycling processes are improving efficiency. Eco-Friendly Battery Chemistries: Research is progressing toward low-cobalt and cobalt-free cathode materials, as well as solid-state alternatives that promise greater stability and sustainability. Energy-Efficient Manufacturing: Implementing renewable energy in battery production facilities and optimizing material utilization reduces carbon emissions and production costs.

Conclusion

Lithium ion battery manufacturing is a sophisticated process requiring precise material selection, controlled processing, and continuous innovation. The industry is evolving toward more sustainable and efficient production methods, ensuring that lithium batteries continue to power the future of electric mobility, renewable energy storage, and portable electronics.

Why YSK: Youtube's enshittification creates an abysmal experience. There's a list of Chrome extensions I've collected over the years that each fix an aspect of Youtube to bring back a genuine experience. I've seen in comments people mention one or two of these at a time, so this is a pack that contains everything you could need, and more.

Sample:

• My Feed
• Video View

Essential Plugins:

• Ghostery: Blocks trackers and ads
• uBlock Origin: Blocks In-video ads
• SponsorBlock: Skips in-video sponsor segments
• Return Youtube Dislike: Returns the dislike button
• DeArrow: Better titles and thumbnails, removes clickbait
• Youtube Redux: Returns youtube to the older style
• Style Bot: This tool allows you to edit CSS. With a bit of setup, you can use it to block sponsored videos from appearing in our video suggestions:

1. Open Stylebot options
2. Styles > New Style

URL: Youtube.com

CSS (copy and paste):

ytd-ad-slot-renderer,
ytd-rich-item-renderer:has(
  > #content
    > ytd-ad-slot-renderer
){
  display: none;
}

3. Save Style and Refresh Youtube

Optional:

• Dark Reader: Dark mode on any web page (and you can toggle it per page as well)
• Video Speed Controller: More control over video speed

This might be relevant to those who wish / have to use Windows 11:

This week, Microsoft made it very clear that it wants to block the popular BYPASSNRO workaround, used to skip the internet and Microsoft Account requirement checks during the Windows 11 installation OOBE (initial setup), although thankfully, the script can still be created using Registry edits.

A 7 step guide.

In many countries, websites, social media and blogs are controlled by oppressive leaders. Young people, in particular, are forced to grow up in systems where their opinion is heavily manipulated by governmental disinformation campaigns.

But even where almost all media is blocked or controlled, the world’s most successful computer game is still accessible. Reporters Without Borders (RSF) uses this loophole to bypass internet censorship to bring back the truth – within Minecraft.

YSK because webpages are increasingly bloated from excessive trackers, popups, sidebars, and more. This diminishes the experience of reading, eats up your precious internet data, and threatens your privacy.

Newswaffle is a public service created by Acidus that intelligently strips webpages of their cruft and leaves only the valuable text content. Its based in gemtext and was originally intended to be accessed using the gemini protocol, however it can very easily be reformated to HTML and proxied through HTTP for normal web browser usage. The proxy I am using is SmolNet Portal by Mozz.

Newswaffle Homepage (proxied)

If you have a kobo e-ink ereader or similar device with extremely simple web browser its invaluable for getting a modern webpage to render correctly.

Source Code

YSK because the people who made these tools and host them on their own time and dime, may not be around forever. Only a few other people on this planet know these tools exist or actively use them. There are only one public instance of these services running thanks to the makers themselves. Ideally we need some self hosters to deploy and fork these tools to ensure they exist in the future. That can't happen if nobody knows about them.

Newswaffle github

SmolNet Portal Proxy github

Put simply, being in the right place at the right time, and having connections, can be as important as having the skills and experience.

Why YSK: I’ve noticed in recent years more people using “neoliberal” to mean “Democrat/Labor/Social Democrat politicians I don’t like”. This confusion arises from the different meanings “liberal” has in American politics and further muddies the waters.

Neoliberalism came to the fore during the 80’s under Reagan and Thatcher and have continued mostly uninterrupted since. Clinton, both Bushs, Obama, Blair, Brown, Cameron, Johnson, and many other world leaders and national parties support neoliberal policies, despite their nominal opposition to one another at the ballot box.

It is important that people understand how neoliberalism has reshaped the world economy in the past four decades, especially people who are too young to remember what things were like before. Deregulation and privatization were touted as cost-saving measures, but the practical effect for most people is that many aspects of our lives are now run by corporations who (by law!) put profits above all else. Neoliberalism has hollowed out national economies by allowing the offshoring of general labor jobs from developed countries.

In the 80’s and 90’s there was an “anti-globalization” movement of the left that sought to oppose these changes. The consequences they warned of have come to pass. Sadly, most organized opposition to neoliberal policies these days comes from the right. Both Trump and the Brexit campaign were premised on reinvigorating national economies. Naturally, both failed, in part because they had no cohesive plan or understanding that they were going against 40 years of precedent.

So, yes, establishment Democrats are neoliberals, but so are most Republicans.

You can delete images you accidentally uploaded or don't need anymore. This can be good if you want to try and wipe them from the internet, or you want to lighten storage costs for your instance.

Denaturalization goes through civil courts and requires only "Clear and convincing evidence" which is a lower standard than "Beyond reasonable doubt"

Excerpt from https://en.wikipedia.org/wiki/United_States_nationality_law#Loss_of_nationality

The process of denaturalization is a legal procedure which results in nullifying nationality. Based upon the 1943 Supreme Court decision of Schneiderman v. United States, clear and convincing evidence must be evaluated in processing a denaturalization action. United States Attorneys for the district in which a defendant resides bring suit in the jurisdiction's Federal District Court. Juries are typically not present and the defendant may be compelled to testify. Failure to testify may result in a presumption of guilt, though defendants can plead against self-incrimination. The standard of proof is not reasonable doubt, but rather clear, convincing, and unequivocal evidence. Decisions may be appealed in federal appellate courts and the Supreme Court. Once the legal process has concluded, the Department of State issues a Certificate of Loss of Nationality.

Standards of Proof in the US: https://en.wikipedia.org/wiki/Burden_of_proof_(law)#Clear_and_convincing_evidence

Excerpt:

Clear and convincing proof means that the evidence presented by a party during the trial must be highly and substantially more probable to be true than not and the trier of fact must have a firm belief or conviction in its factuality. In this standard, a greater degree of believability must be met than the common standard of proof in civil actions (i.e. preponderance of the evidence), which only requires that the facts as a threshold be more likely than not to prove the issue for which they are asserted.

Why YSK: If you are a naturalized US citizen, you might want to reconsider if you want to protest and ending up being another Mahmoud Khalil. (Not saying to not protest, just informing you of the risks so you can decide for youself if its worth it or not).

And if you aren't a naturalized US citizen; Why YSK: So you understand that the risks of protesting is higher than the risks of natural-born US Citizens protesting, so I hope you don't judge them too harshly for not protesting.

Why YSK: If you are a US Resident, don't lose your Social Security card more than 10 times, or else you might need to respawn 💀

Excerpt from Wikipedia:

In accordance with §7213 of the 9/11 Commission Implementation Act of 2004 and 20 CFR 422.103, the number of replacement Social Security cards per person is generally limited to three per calendar year and ten in a lifetime.

Note that there still have been no studies on its efficacy. At worst, it is a great font to avoid ambiguity between characters.

Why YSK: Some car manufacturers, such as Tesla, will lie about the capabilities of their autonomous vehicles. Misplaced trust in self-driving technology leads drivers into making unsafe decisions while on the road, endangering the lives of themselves and drivers around them. Understanding what your car is capable of, in comparison to what the salesman told you it was capable of, is important to keep in mind when purchasing or operating such a product.

Currently, no Tesla product - including the inappropriately-named "Full Self Driving" mode - has surpassed Level 2 autonomy, falling behind competitors such as Waymo, NAVYA, and Volvo, who all have Level 4 cars in production.

Why YSK: Because if you are planning to attend a protest, you might want to be prepared for the possibility that these technologies are used against you.

I know, this sounds like some conspiracy nutjob's imagination, but it's real. Here are some wikipedia links:

Directed-energy weapon

A directed-energy weapon (DEW) is a ranged weapon that damages its target with highly focused energy without a solid projectile, including lasers, microwaves, particle beams, and sound beams. Potential applications of this technology include weapons that target personnel, missiles, vehicles, and optical devices.

Examples of such weapons include:

Long-range acoustic device

A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control, which has caused permanent hearing damage, having an extremely high decibel capacity (up to 160 dB measured at one meter from the device). Other uses have included for negotiations in siege situations; to deal with piracy at sea; for mass notification during natural disasters or other emergencies; and by defense forces, including several navies.

The Washington, D.C. Metropolitan Police Department used a LRAD at the January 21, 2017 Women's March. Protesters at the June 1, 2020 Washington, D.C. George Floyd protests said police gave little or no warning before employing aggressive tactics against them. A 2015 settlement requires federal police to give large crowds several loud dispersal orders before deploying chemical irritants and other dispersion tools. Using an LRAD to issue loud protest dispersal orders would have complied with the 2015 settlement requirement. In September 2020, it was revealed that federal officials had explored the use of the device and the Active Denial System ("heat ray") to disperse civilians protesting outside the White House in June of that year, but had been advised that the National Guard was not currently in possession of either device.

LRAD was reportedly used by the Oakland Police Department during the clearance of the Occupy Oakland encampment on the morning of 25 October 2011. Police in San Diego, California, used an LRAD on May 27, 2016, to order anti-Trump protesters to disperse.

Active Denial System

The Active Denial System (ADS) is a directed-energy weapon developed by the U.S. military, designed for area denial, perimeter security and crowd control. Informally, the weapon is also called the heat ray since it works by heating the surface of targets, such as the skin of targeted human beings.

The ADS was deployed in 2010 with the United States military in the Afghanistan War, but was withdrawn without seeing combat.

In 2014, there were reports that Russia and China were developing their own versions of the Active Denial System.

For the newbies. 💓

See also: https://lemmyapps.netlify.app/

Reposting from https://lemmy.world/post/24545370

Some other people had suggestions for other apps (such as Voyager) having built-in keyword filters, feel free to have a look at the original post

Why YSK: Certain topics are stressful and tend to spread all over the site, including to unrelated communities. Blocking communities can be overkill and ineffective, and likewise for blocking individual users.

To do so, open up the uBlock Origin dashboard, go to the 'My filters' tab, and add this filter:

lemmy.world##article.row:has-text(/word1|word2|word3|word4/i)

For example:

lemmy.world##article.row:has-text(/Trump|Elon|Musk|nazi/i)

Then apply the changes and reload any open tabs, and all posts which contain any of your filtered words will simply not show up.

You'll have to change "lemmy.world" at the start to whatever your actual instance is. You can filter as many or as few words as you want, just keep the / at the start, the /i at the end, and separate words with | pipes. What's actually being filtered is a case-insensitive regex, if you want to get fancy with it.

Here are equivalent filters for reddit and Ars Technica:

reddit.com##div.thing[data-context="listing"]:has-text(/word1|word2|word3|word4/i)
arstechnica.com##:not(:not(head>title:has-text(/^Ars Technica/))) article:has-text(/word1|word2|word3|word4/i)

As a disclaimer, I made these myself, and I'm not particularly familiar with creating uBlock Origin filters. There may be better ways to do this. Also the reddit one is specific to old.reddit.com, and the lemmy filter is made to work with the default lemmy.world web UI and may not work on other UIs without tinkering.

Yes, I know I'm just hiding my head in the sand

Hours spent trying to get someone to buy a car they have no intention of buying are hours NOT spent making sales commissions.

You do not have to be Jewish to apply.

YSK as those communities provide guidance on some popular questions and issue new joiners can face

• !newtolemmy@lemmy.ca
• !communitypromo@lemmy.ca
• !ask@lemm.ee
• !languagesettings@lemmy.zip

You don't have to "sign up". You can just scroll down a bit to the "Find A Protest Now" button, or click the direct link I provided above.

ETA, you don't even need a clever sign to hold up. Just being present is good enough.

Kagi has an option to search the Fediverse. This makes it a lot easier than specifying a site in the search query, which would also limit the results to a specific instance.

http://kagi.com/

Why YSK: This lets you easily replace searches like "some topic reddit" with Lemmy!

YSK because this can help with the smaller quantity of content Lemmy has. Coming back to older threads to look at new comments to ongoing discussions is a way to solve that issue.

https://endoverdose.net/

The only real hoop you have to jump through is to go through the online training course which takes about 30 minutes and is all about administration of the drug

I received my package today and feel it's important to have around with the current rise in opioid overdoses.

Their kit does not include CPR masks so I recommend purchasing some to keep with your doses. (Won't share a link due to Amazon boycott)

I would've bought some ages ago if I lived in a bigger city.

It can be a bit buggy at times, but when it comes to just playing music with the screen locked, it's perfect.

https://addons.mozilla.org/en-US/firefox/addon/video-background-play-fix/

Edit: I forgot to also mention that ad blocker extensions make sailing the seas on mobile much more manageable. Extentions, in general, have been a really nice addition.

PayPay, in particular, seems a good target for consumer action. Just saying...