9 ms·
Brighsun’s long-range EV batteries to enter industrial trials
- barney54 6y agoLithium sulfur batteries have a lot of potential and I really hope Brightsun’s tech works as well (or ever close to as well as claimed). However, I’ll believe it when I see it. There are just too many claims about battery tech that don’t pan out in actual application.
- NortySpock 6y agoOr at least, they pan out in terms of 1% improvements and not 100% improvements like the breathless journalism claims.
- deleted 6y ago[deleted]
- close04 6y agoLink to the source announcement: http://www.brighsun.com/En/NewsView.asp?ID=45 http://www.brighsun.com/En/NewsView.asp?ID=45 The slightly different websites in different states of abandonment don't inspire confidence though. http://brighsun.com/Index_En.asp http://brighsun.com/Index_En.asp http://brighsuntech.com/ http://brighsuntech.com/ http://brighsunauto.com/Index_En.asp http://brighsunauto.com/Index_En.asp
- magwa101 6y agoForget large scale deploy test blah, outfit one car and drive it 1000kms, charge, got another 1000kms, video it, put on youtube, then we're onboard.
- MobiusHorizons 6y agoIMO the actually hard part is getting the tech to work the same as it did in the lab when you put it through volume manufacturing. A lot of things seem to go wrong in this phase even when the battery chemistry works well enough to create a hand-crafted battery pack that would actually show long range. I really hope they are successful, but until they can show manufacturing working I will keep my enthusiasm in check.
- ianai 6y agoHow bout do both?
- Tade0 6y agoPhinergy did just that with their aluminium-air (primary) battery and yet they never commercialized their tech.
- znpy 6y agoI'm looking forward to laptops that can stay up one week on a charge.
- bdamm 6y agoPersonal fans that run all day. Tiles that keep working for decades. Traffic lights that can be deployed by police wherever they're needed. E-Bicycles that can outrun and out-range most bus routes. Electric airplanes make air travel significantly quieter and much cheaper. Internal combustion engines made obsolete and reduced to a historical curiosity. Electric scooters dominate worldwide as honda cubs become too expensive to fuel. I want it all.
- vardump 6y agoIndeed, this high Specific Energy (~2000 Wh/kg) would be enough to make electric airplanes feasible and economical. Heck, even high-altitude supersonic electric "jets", because you don't need oxygen to run electric motors!
- sudosysgen 6y agoEbikes can already outrange most bus routes. I'm building a battery pack right now that should give a range of 150-180kms realistically, for about 300$CAD. That said, it's going to be pretty heavy at 10kg, but that's less than the amount of textbooks I was carrying just a few years ago :)
- mkl 6y agoThat sounds interesting. How big will it be physically?
- sudosysgen 6y agoAbout 5-6 liters, should fit nicely on the rear rack.
- bdamm 6y agoThat is very cool. What cells are you using?
- vardump 6y agoThis kind of announcements have been way too many. At this point no matter how amazing battery someone has managed to build in a lab, I don't care unless it's manufacturable in large quantities. There are plenty of amazing batteries that lack that quality. That said, it would be really cool if the claims are true. I so want this to be true. Just not holding my breath.
- danans 6y agoFor reference, they are claiming a specific energy of ~2000 Wh/kg, whereas current Li-ion batteries are in the 200 Wh/kg range. At least according to Wikipedia, so far the highest demonstrated Li-S battery specific energy is 500 Wh/kg. They are also claiming a cost of $63/kWh vs $156/kWh for Li-ion today. https://en.wikipedia.org/wiki/Lithium%E2%80%93sulfur_battery https://en.wikipedia.org/wiki/Lithium%E2%80%93sulfur_battery
- taneq 6y agoThat sounds suspiciously good.
- api 6y agoYeah I'm expecting a caveat like "they explode if they reach 40 degrees C" or "they degrade by 20% after 20 recharge cycles."
- chris_overseas 6y agoThe article says their battery keeps 91% of initial capacity after 1,700 cycles at a rate of 2C, or 74% after 1,000 cycles at 5C, which sounds pretty reasonable given charge/discharge rates would likely be a lot lower than that in practice.
- danans 6y agoI do wonder what issues come from storing multiples of the same amount of energy in the same space, but I'm willing to wait and see. Anyways, beyond 400 miles or so, there's not so much value in longer range passenger EVs (obviously semi trucks for freight are a different use case). The real win if they can demonstrate this real-world will be the reduced weight or cost per mile of range.
- DennisP 6y agoUntil chargers are as common as gas stations and charging takes five minutes, I'd see a lot of value in a battery that could get me through a road trip without ever needing to recharge.
- rasz 6y ago>2103.8Wh/kg ~10x Tesla >Trial production of high-power cells, with an expected energy density in excess of 1,000 Wh/kg, is about to begin oh, so they dont exist yet, explains it
- api 6y ago1000 Wh/kg would be roughly 2X the best currently on the market, so that would be amazing if true.
- vardump 6y agoMore like 4x. Where can you get anything past about 250 Wh/kg?
- Tade0 6y agoLithium-Sulfur: https://oxisenergy.com/products/ https://oxisenergy.com/products/ The catch here is that they don't last that many cycles and the figure per unit volume is not amazing. Great for aircraft though.
- fulafel 6y agoThat page says they're only hoping for availability soon.
- Tade0 6y agoI've been following this company for years. They used to be overly optimistic, but got a reality check along the way and now are more careful in their statements. Anyway 400Wh/kg are available as samples - that's not far away from 500Wh/kg.
- mrfusion 6y agoMakes me wonder if this came to pass. Could an electric car be too light? Is there a minimum weight a car needs to be? If the battery got small and you don’t have the ice, could it be a problem? Would they add weights?
- bassman9000 6y agoLet's take these announcements with a grain of salt https://hypestat.com/info/newmobility.global https://hypestat.com/info/newmobility.global http://brighsunauto.com/En/About.asp?ID=1 http://brighsunauto.com/En/About.asp?ID=1 https://www.smh.com.au/politics/federal/gladys-liu-linked-to-donor-at-centre-of-cash-drop-probe-20191202-p53g1x.html https://www.smh.com.au/politics/federal/gladys-liu-linked-to... https://www.macrobusiness.com.au/2019/12/how-long-can-scomo-protect-ccp-cash-stooge-gladys-liu/ https://www.macrobusiness.com.au/2019/12/how-long-can-scomo-... Given the current events, all these news need some CCP propaganda checks.
- lxe 6y agoBefore even reading the article... battery "revolution" claims have been made every month or so for the past 10 years or so, and we rarely see the claims materialize into actual technological leaps. Is this one of those claims?
- Animats 6y agoThis is one of those "either a major breakthrough or total bullshit" articles. OK, first, who's "Brightsun"? These guys? [1] - Last news item on their site is from 2015. No mention of a battery breakthrough. No mention of battery R&D at all. - Address on web site is 50 Hidden Grove Blvd, Keysborough Vic 3173 Australia. That's somebody's house.[2] An alternative address on the web site is Level 1 530 Little Collins Str, Melbourne VIC 3000 Australia. That's an office building. Level 1 seems to be a strip club.[4] - Related companies. [3] They built an electric bus prototype in 2015, and it got a record for longest distance on a single charge, but not using any exotic battery technology. Just a big bus with a big battery. Where did "newmobility.global" get this story? They don't cite a reporter. They don't cite a press release. Is someone doing a third party pump and dump here? [1] http://brighsunauto.com/Index_En.asp http://brighsunauto.com/Index_En.asp http://brighsuntech.com/ http://brighsuntech.com/ [2] https://earth.google.com/web/@-38.00666219,145.15557573,13.39113295a,0d,60y,305.45541366h,85.85981264t,0r/data=ClcaVRJPCiUweDZhZDYxMzIwZGNkMDhiNjE6MHgxOWJhYzBhYTlmMDE4YWRlGbSNP1HZAEPAIezBpPj4JGJAKhQ1MCBIaWRkZW4gR3JvdmUgQmx2ZBgBIAEiGgoWLUN4Q00zbWdhbDhRbnVCaWN0N1ZDdxAC https://earth.google.com/web/@-38.00666219,145.15557573,13.3... [3] https://www.aubiz.net/company/brighsun-ev-group-pty-ltd-166881723/ https://www.aubiz.net/company/brighsun-ev-group-pty-ltd-1668... [4] https://bigboysclub.com.au/ https://bigboysclub.com.au/
- close04 6y ago> Where did "newmobility.global" get this story? Most other sites presenting the same news included the paragraph at the end suggesting it was a press release on the manufacturer's website. Example [0]. I linked to the original source below [1]. [0] https://www.jcnnewswire.com/pressrelease/58590/2/2000-km-on-a-Single-Charge:-Brighsuns-Li-S-Batteries-to-Enter-Industrial-Trials https://www.jcnnewswire.com/pressrelease/58590/2/2000-km-on-... [1] https://news.ycombinator.com/item?id=22950468 https://news.ycombinator.com/item?id=22950468
- Animats 6y agoThe press release is better than the "story".
- knolax 6y ago
- Uhrheber 6y agoI'm working in the automotive industry for over 15 years, designing components for both conventional and electric cars, and I've never heard of this company. Very fishy.
- kwhitefoot 6y agoThe problem for small cars is that while the specific energy (J/kg) is better than lithium ion the energy density (J/L) is most likely lower. In small cars the volume occupied by the battery is a significant constraint. But it's good to see some competition, at least it will be if it works.
- kwhitefoot 6y agoWhy is their name a misspelling?