Energy / Battery recycling + cathode materials · Deep dive

Ascend Elements

The Westborough, Massachusetts spin-out of a Worcester Polytechnic battery lab that raised more than $1.1B and won $480M in DOE grants to make cathode active material from recycled lithium-ion batteries via its patented Hydro-to-Cathode process — and, after the Trump DOE clawed back most of that grant money in 2025, filed Chapter 11 on April 9, 2026 with its Kentucky flagship 60% built and a Section 363 sale to Bluegrass Infrastructure Partners now setting the going-concern outcome.

emerging

The question that decides it: Does the Section 363 sale process — stalking-horse Bluegrass Infrastructure Partners Holdings LLC, bid deadline May 9, 2026, sale hearing May 21, 2026 — produce a going-concern buyer that finishes Apex 1's pCAM line in Hopkinsville and runs Hydro-to-Cathode direct-precursor synthesis at commercial scale for US automakers, or does the estate get carved into a Georgia recycling operation plus IP, leaving domestic recycled-CAM as an idea Chinese incumbents keep on price until tariffs or content rules move again?

My take ★★ Very interesting ★ Interesting − Maybe ✗ Not interesting

Snapshot

Ascend Elements is the highest-profile casualty of the US battery-recycling wave that priced 2030 EV volumes into 2024 balance sheets. Spun out of Yan Wang’s Worcester Polytechnic lab as Battery Resourcers in 2015 and renamed in January 2022, it built its story around Hydro-to-Cathode — a patented process that turns shredded end-of-life batteries and gigafactory scrap into cathode precursor and cathode active material in one hydrometallurgical loop, skipping the separated-metal-salt step conventional recycling has to sell into. The claim drew >$1.1B in equity through a $300M Series C (October 2022) and a $460M Series D (September 2023, with a $162M extension in February 2024), plus a $480M DOE grant for a flagship Kentucky plant. It never made it. The Trump DOE cancelled $164M of the grant in February 2025 by mutual agreement and rescinded a further $110M in October 2025 after roughly $206M had been disbursed. On April 9, 2026 Ascend filed for Chapter 11 in the Southern District of Texas with Apex 1 60% built, headcount cut to about 159, and Bluegrass Infrastructure Partners organizing a Section 363 sale.

Founding story

The technology began in 2011 as a WPI research programme, when Yan Wang showed that mixed-chemistry lithium-ion scrap could be leached and kept together in solution rather than separated into single metal salts, and precipitated directly as a designed cathode precursor. The engineering point mattered because conventional recycling had to sell recovered metals back to a separate CAM factory — which is where the value lives. In 2015 Wang, Diran Apelian (Alcoa-Howmet chair at WPI, NAE member) and Wang’s postdoc Eric Gratz licensed two WPI patents and incorporated Battery Resourcers in Grafton, Massachusetts. Wang stayed at WPI as chief scientist, Apelian took the board chair, Gratz became CEO. Michael O’Kronley — a battery-materials executive from A123 and Envia — was brought in as CEO in 2021 to run the scale-up; Gratz moved to CTO. The January 2022 rebrand to Ascend Elements marked the shift from research-linked start-up to would-be industrial company.

How it works

Feedstock — consumer batteries, end-of-life EV packs and (most near-term volume) gigafactory production scrap — is discharged, dismantled and shredded to a fine ‘black mass’ that concentrates the electrochemically active metals. Ascend then applies Hydro-to-Cathode: the black mass is leached in aqueous acid to dissolve nickel, manganese, cobalt and lithium, but rather than isolate each metal as a discrete sulfate or hydroxide and ship them to a separate cathode plant, Ascend keeps the transition metals together in solution, drives impurities out chemically, adjusts the ratios to a target NMC stoichiometry, and co-precipitates the cathode precursor (pCAM). The precursor is then lithiated and calcined into finished cathode active material (CAM). The claim, per a third-party LCA cited in 2022-2024 materials, is ~49% lower carbon intensity than conventional CAM and up to 15 fewer intermediate steps because the metals never leave solution. In practice the flow was split across two US sites: Base 1 in Covington, Georgia (30,000 t/yr, operational August 2022) doing the front end; Apex 1 in Hopkinsville, Kentucky doing pCAM/CAM at commercial scale.

Product and business overview

Four products, or planned products. Recycled critical minerals — nickel and cobalt intermediates plus battery-grade lithium carbonate — from Base 1 and (September 2024) from the AE Elemental JV with Elemental Strategic Metals in Zawiercie, Poland (12,000 t/yr). Engineered pCAM — the recycled cathode precursor Apex 1 was built to produce for US cell makers. Engineered CAM — finished cathode active material, the highest-margin step and the one the DOE’s cancelled $164M grant was funding. Recycling services — tolling contracts with automakers and battery makers. Named partners: Honda (basic agreement, February 2023, for recycled Ni/Co/Li into NA EVs), SK ecoplant/TES ($65M JV, September 2023, for a 24,000-t/yr shredding site adjacent to Apex 1), Koura (up to 5,000 t/yr recycled lithium carbonate into Orbia’s LiPF6 business, March 2023), Freudenberg e-Power (recycled CAM engineering) and — the marquee mid-crisis deal — Trafigura, a November 2025 offtake for 15,000 tonnes of recycled lithium carbonate 2027-2031.

Business model and pricing

The recycling business books revenue two ways: tolling fees on partner feedstock, and sale of recovered nickel, cobalt and lithium as intermediates or refined products — exposing revenue directly to LME and lithium-carbonate spot prices, the exact leverage that caught Li-Cycle and Ascend flat when Chinese oversupply crushed metals prices in 2023-2025. The CAM business adds engineering margin on top of recovered-metal cost plus the 45X production credit — 10% of critical-minerals cost at purity spec and a per-kWh applicable-cost credit on precursor and CAM. Ascend’s model implicitly stacked (i) tolling revenue, (ii) recovered-metal sales at spot, (iii) CAM/pCAM sales priced against Asian imports and (iv) transferable 45X credits, against ~$1B of front-loaded capex for Apex 1 alone. The One Big Beautiful Bill Act (2025) preserved 45X transferability and added prohibited-foreign-entity rules effective January 1, 2026 — helpful in principle — but phased down the critical-minerals credit from 2031 and eliminated transfer-to-SPE structures. No public unit pricing was disclosed; Trafigura’s 2027-2031 offtake is the only long-dated volume commitment on the record.

Traction over time

Market analysis

The addressable market is real, which makes the failure structural rather than thesis-invalidating. Grand View, Precedence and Fortune Business Insights peg global lithium-ion battery recycling at roughly $5-13B in 2025, with 20-24% CAGRs pushing it to $30-115B by the mid-2030s. Two forces matter for a CAM-integrated recycler: EV adoption produces the feedstock, domestic-content rules produce the demand. The problem is timing. Through 2030, US and European feedstock is dominated by gigafactory scrap (5-10% of cell production), not end-of-life packs — the retirement wave from the 2018-2023 EV build does not crest until the 2030s, so recyclers fight over a limited pool of scrap while carrying the fixed cost of tonnage-scale plants. Simultaneously, Chinese cathode oversupply pushed 2024-2025 spot prices for nickel, cobalt and lithium below the price decks the 2022-2023 grant applications assumed. IRA/OBBBA 45X closes some of the gap on domestic CAM, but only for producers who can actually produce at commercial scale — which Ascend could not. And US EV growth slowed in 2025 after the Trump administration killed the $7,500 consumer credit, deferring the volume Ascend was priced for.

Competitive intel

Two collapsing races. US recycling. Redwood Materials (~70% NA share, $2.25B raised, $6B+ Series E January 2026) is the survivor whose vertical-integration bet worked exactly as Ascend’s was supposed to. Cirba Solutions is the EQT-backed incumbent that never wagered on cathode and is scaling Ohio steadily with a >$82M DOE grant. ABTC is the smaller listed alternative, cash-strained but not levered to a single mega-plant. Li-Cycle was dead by May 2025 (Glencore bought the assets in August). Nth Cycle attacks capex philosophy with modular on-site recovery — the opposite of Apex 1. CAM. Where Ascend was differentiated on paper and lost in reality. Chinese incumbents — CATL’s Brunp, Huayou, GEM — run recycling and cathode capacity at hundreds of thousands of tons per year integrated with the world’s largest cell makers, at a marginal cost set by Chinese factor prices Ascend couldn’t match. Umicore and BASF-Toda run smaller versions in Europe/Asia. Every US CAM project (LG Chem, Novonix, Redwood, Ascend) implicitly bet that IRA subsidies plus domestic-content rules would close the cost gap; Ascend was the first to prove that between grant cancellation and construction overruns, the math doesn’t work at first-of-a-kind scale.

History and evolution

• 2011 — Wang starts the WPI research program that becomes Hydro-to-Cathode.
• 2015 — Wang, Apelian and Gratz incorporate Battery Resourcers in Grafton, MA.
• 2018-2021 — ARPA-E, USABC and USCAR grants; strategic investors (Hitachi, TDK, InMotion, Trumpf) join through 2020; $70M Series B extension in 2021 led by Fifth Wall Climate; O’Kronley joins as CEO.
• Jan 19, 2022 — Rebrands as Ascend Elements; HQ Westborough, MA.
• Aug 2022 — Base 1 Covington opens (30,000 t/yr, then NA’s largest EV recycler).
• Oct 2022 — $300M Series C (Fifth Wall/SK ecoplant); Apex 1 groundbreak.
• Feb-Mar 2023 — Honda basic agreement; Koura offtake (up to 5,000 t/yr lithium carbonate).
• Aug-Sept 2023 — DOE $480M grant for Apex 1; $460M Series D (Decarbonization Partners, Temasek, QIA); SK ecoplant/TES $65M shredding JV.
• Feb 2024 — $162M Series D extension (Just Climate, Clearvision).
• Sept 2024 — AE Elemental JV opens in Poland (12,000 t/yr).
• Early 2025 — Apex 1 construction paused amid contractor disputes and cost overruns.
• Feb 2025 — DOE and Ascend mutually cancel $164M CAM grant.
• Jun 2025 — Hopkinsville layoffs (WKDZ); ~80+ cuts company-wide by mid-year.
• Oct 2025 — DOE rescinds ~$110M of the $316M pCAM grant after ~$206M disbursed (part of >$700M in cancellations).
• Nov 2025 — Trafigura 15,000-tonne lithium-carbonate offtake for 2027-2031.
• Apr 9, 2026 — Chapter 11 in SD Texas; Apex 1 60% complete; Jefferies retained.
• Apr 17, 2026 — Bid procedures approved; Bluegrass Infrastructure Partners designated stalking-horse; bid deadline May 9, sale hearing May 21.
• Jul 14-15, 2026 — Combined Disclosure Statement and Joint Plan of Liquidation filed; court conditionally approves.

What people say

The case for. Trade press through 2023-2024 treated Ascend as the flagship of US recycled cathode: PR Newswire and Recycling Today cited the DOE’s $480M grant as validation, Honda and SK ecoplant lent OEM credibility, and the third-party LCA put Hydro-to-Cathode’s carbon intensity ~49% below conventional CAM (2022 press). Decarbonization Partners (BlackRock-Temasek), Qatar Investment Authority and Just Climate writing cheques inside eight months validated the thesis at the top of the market. Even during the crisis, Trafigura’s November 2025 offtake signalled that commodity-trading houses saw future value in the physical asset, and the Georgia plant has kept running through Chapter 11.

The complaints. Canary Media’s April 2026 post-mortem pinned the failure to three linked forces: US EV demand undershoot, feedstock scarcity relative to installed capacity, and policy whiplash. The debtors’ own first-day declaration blamed ‘unmitigated cost overruns, construction delays, and contentious disputes with the primary contractor’ at Apex 1. Korean investors — SK ecoplant, Mirae Asset, Shinhan, LS — publicly signalled wait-and-see in Asia Business Daily (April 16, 2026), a euphemism for markdowns. Glassdoor sentiment and local Hopkinsville coverage (WKDZ, WHVO, June 2025) described repeated layoff rounds with ‘strategic’ framing. The structural critique: Ascend built for a feedstock wave whose arrival it front-loaded by five to ten years and a policy regime that reversed inside 18 months.

Outlook: the open question

Ascend — or its going-concern successor — works if the Section 363 sale delivers a capitalized buyer that finishes Apex 1’s pCAM line, keeps Georgia running with Trafigura and Honda offtakes converting into revenue, and rides the OBBBA’s post-2026 prohibited-foreign-entity rules to a domestic-content premium Chinese CAM cannot access. Bluegrass Infrastructure Partners as stalking-horse suggests an infrastructure sponsor sees a rebuild thesis at a scrap-priced entry point; the physical assets (Base 1 running, Apex 1 60% built, Poland JV operating, WPI-licensed IP) plus Trafigura’s 2027-2031 offtake are a coherent package. Ascend fails permanently — becoming Li-Cycle: assets survive as scrap, thesis does not — if the auction values the estate as separable pieces (a US recycler for Cirba or a strategic; the Poland JV to Elemental; the IP to Chinese or Korean buyers) and Apex 1 gets deferred indefinitely. Tells to watch: does May 21, 2026 land a going-concern bid or split the estate; does the Apex 1 buyer restart construction inside 12 months; does OBBBA 45X guidance preserve transferability for US CAM year-1 economics; and do Trafigura, Honda or SK ecoplant re-anchor the successor with a fresh offtake at a firmer price.

How to attack it

The wedge. Do not build a $1B first-of-a-kind CAM plant. Ascend’s post-mortem is that CAM economics require a Chinese cost base plus a fully-subsidized US policy regime, and any project that assumes both simultaneously is a levered call on two independent political outcomes. A challenger attacks by unbundling. First: run the recycling front end as a stand-alone tolling business with disciplined feedstock geography. Buy or lease Base 1-style regional shredders and 24,000-t/yr JVs, sign three-way tolling contracts with OEMs (they own the packs) and Chinese/Korean CAM buyers (they take the black mass), and price 45X credits into the tolling fee rather than the finished-product margin — Cirba’s and ABTC’s playbook, done leaner. Second: attack the CAM step with modular pilot lines, not commercial plants. Nth Cycle’s on-site electro-extraction thesis (~$64M raised) is the opposite of Apex 1 and generalizes: a challenger could sell 5,000-10,000 t/yr precursor lines that plug into a customer’s existing sulfate-based CAM plant, letting incumbents (LG Chem, Novonix, POSCO, Umicore) buy domestic-content credit without underwriting a mega-plant themselves. Third: exploit the IP overhang. Ascend’s WPI-licensed Hydro-to-Cathode patents will be sold in the 363 process; a well-capitalized entrant could acquire them at a scrap-priced clearing level, avoid the Kentucky sunk cost, and license the IP into partner facilities in Korea, Japan or Southeast Asia — geographies with cheaper capital, existing cathode footprints and more stable policy. Weaknesses to exploit: single-plant concentration risk (Apex 1 was the entire CAM bet), contractor dependency (already blamed in the first-day declaration), unhedged commodity revenue at Base 1, and a workforce halved in twelve months whose remaining knowledge is bidding on its own future employer.

Adjacent-segment play

Hydro-to-Cathode generalizes best not to a different customer but to a different feedstock. The aqueous chemistry that keeps mixed transition metals in solution and precipitates a designed precursor also applies to mining intermediates — mixed hydroxide precipitate (MHP) from Indonesian laterite nickel projects, or mixed sulfate cake from tailings — with a shorter path to a CAM plant than the conventional refinery-plus-cathode-maker sequence. Obvious buyers: Korean and Japanese cathode incumbents (POSCO Future M, Sumitomo Metal Mining, Ecopro) that already run MHP into CAM and would pay for a step-out that halves the intermediate count. Geographically, Europe is a tighter fit than the US — the EU Battery Regulation mandates recycled content by 2031, Umicore’s Belgium and Poland assets need feedstock, and AE Elemental’s Zawiercie plant is already there. Downmarket, stationary-storage LFP recycling is a smaller adjacent segment: LFP generates weaker margins per tonne (no cobalt, cheap iron), but volumes are climbing with data-center storage and a lean-capex recycler could win where a cathode-integrated one cannot. Upmarket, a ‘clean-cobalt’ or ‘clean-nickel’ provenance premium for aerospace, defense and consumer-electronics buyers is an Amprius-style adjacency. The wedge that does not generalize is ‘domestic US CAM’: the capex, policy and price stack that killed Ascend do not become friendlier for a smaller entrant.

Sources and further reading

• Battery recycler Ascend Elements files for bankruptcy (TechCrunch, April 10, 2026)
• Battery recycling still isn’t easy. Just ask Ascend Elements. (Canary Media, April 2026)
• Ascend Elements Files Chapter 11 Bankruptcy After Grant Cancelled (Battery Technology, April 2026)
• Ascend Elements Chapter 11 — Case Summary and Bid Procedures (Bondoro, April 2026)
• DOE cuts remaining funds for Ascend Elements’ Kentucky plant (Recycling Today, October 2025)
• Ascend Elements and U.S. Department of Energy Mutually Agree to Cancel $164M CAM Grant (Ascend Elements, February 2025)
• Ascend Elements Raises $542 Million to Accelerate Production of U.S.-engineered Lithium-Ion Battery Materials (Ascend Elements press release, September 2023)
• Ascend Elements Secures $300 Million in Funding (Ascend Elements press release, October 26, 2022)
• Honda and Ascend Elements Reach Basic Agreement on Recycled Li-ion Battery Resources (Honda Global, February 2023)
• Ascend Elements Announces Multi-Year Offtake for Recycled Battery-Grade Lithium Carbonate with Trafigura (Ascend Elements, November 2025)
• OBBBA Brings 45X Changes, Though Not Wholesale Repeal (Miller & Chevalier, 2025)
• WPI Wins Better World Award for Commercialization of Yan Wang’s Battery Recycling Inventions (WPI, 2022)