Evolution Metals & Technologies Corp. · NASDAQ:EMAT
Evolution Metals & Technologies — Welsbach Technology Metals Acquisition — SPAC Merger (November 2022)
25 slides from Evolution Metals & Technologies's SPAC merger presentation, Nov 28, 2022
Slide 1: ELBC 2022 Lyon - WaveTech
ELBC 6-9 Sey a lyon, 2022 % WAVETEGCH Tuesday, September 9th, 2022 Dag Valand, Boris Monahov, Vesselin Naidenov, Anton Momchilov, Boris Shirov, lliyan Popov, Yovka Milusheva, Yordan Nachev ‘Copyright WaveTech Group Inc, 2022
Slide 2: A Global Company Focused on Optimizing of Energy Storage
% WAVETEGH A Global Company Focused on Optimizing of Energy Storage BATTERY INN@®VATION WaveTech Group is a member of Consortium for Battery Innovation R&D Activities for Energy Storage developed along with CBI targets and roadmap. WaveTech is planning to join the future technical program of CBI. &D
Slide 3: Presentation notice
This presentation (the “presentation”) has been jointly prepared by WaveTech Group, Inc. (the “Company” or “WaveTech”) and Welsbach Technology Metals Acquisition Corp (“WMA”) is being delivered for informational and discussion purposes only. By accepting this presentation, each recipient agrees: (i)
Slide 4: Disclaimer - Forward Looking Statements
/ Disclaimer Forward Looking Statements Certain statements made in this presentation are “forward looking statements” within the meaning ofthe “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. Such “Torward-looking statements” with respect to the ‘Transa
Slide 5: Introduction to WaveTech's CCT Technology
Introduction to WaveTech’s CCT® Technology CCT® is a combination of a new charge method with special devices for its application: A. Periodic low-energy asymmetric current pulses superimposed on the charge current, B. Low pulses are generated by (BEAT®) device attached to the battery. C. BEAT®s powe
Slide 6: Introduction to WaveTech's CCT Technology
Introduction to WaveTech’s CCT® Technology Effect of CCT® pulses on the microlevel Extra energy for the ions: mobility and ionic atmosphere, Increased local ionic concentration at the active materials surface and in their pores, Optimized interaction between ions, electrolyte and solids: Example: 20
Slide 7: Effect at the Microlevel - Theory
CCT® Effect at the Microlevel - Theory Formation of ionic atmosphere and relaxation when the ion is moving - CCT® modifies electro-dynamically the electrochemical processes involved in charge and discharge - Aspecific overvoltage is created on the electrode surface - The rate of crystallization and
Slide 8: Effect at the Microlevel - Theory
CCT® Effect at the Microlevel - Theory aS Electrode CO ma hi - More energy is required for new crystals (A) to form than for enlargement of existing ones (B) \\ - Anincrease in local ion density leads to a more homogeneous crystal formation Copyright WaveT ech Group Inc, 2022 8
Slide 9: How does CCT affect positive and negative plates of lead batteries?
How does CCT® affect positive (PP) and the negative oe (777%, Negative plate potential: Full cycling test, C10 plates (NP) of lead batteries? small change - Test: Deep cycling of two AGM batteries: With CCT and without. "Negative plate potential, V - Plate potential measured vs. Asilver-silver sulfa
Slide 10: Benefits of CCT Observed in Early Field Tests
Benefits of CCT® Observed in Early Field Tests Capacity 725%) le Life doubles r Capacity utiliza Lifetime ene! Shorter charge time Higher charge acceptance, lower energy consumption 5 may regain capacity Less heat evolution during charg to temperature variation ty at deep discharge and undercl Less
Slide 11: Benefits Observed at Operation
CCT® Benefits Observed at Operation Crystallization related benefits observed in the lab and in field applications - part 1 Example: Constant Power Discharge Cycling 110% r -—CcT 1. Faster formation: 15-20% reduction of cal ono CCT factory energy costs, 90% 2. Faster re-charge on cycling (saving tim
Slide 12: Benefits Observed in Operation and Applications
CCT® Benefits Observed in Operation and Applications 1) Crystallization related benefits observed in the lab and in field applications - part 2 Example: schematic diagram —" “ 4 = MB #1 MB #1 MB #1 MB #1 7. Equalization of Single monobloc’s condition ina string og four 12 V AGM monoblocs as used in
Slide 13: Formation is critically important for quality of PAM and NAM
Formation is critically important for the quality of PAM and NAM or battery perform: - Formation compri d solution one pha’ ystalline ph. - CCT®: fast formation method takes 15 hours. About 15%-20% less electric energy consumed formed k tteries have his bette loped NAM has increased surface area. >
Slide 14: Benefit 1: Optimized Battery Formation
CCT® Benefit 1: Optimized Battery Formation a __ Effect of CCT on cycling capacity right after fomation b Effect of CCT on cycling capacity right after fomation Py Py “s » S cycles 4s wo § ! = alt ; 14 cycles S 227; i 30ah | ||22 | 3 Be! galt g» {CCT vs.moCCT —ac= 429% Bo | | : Sas tt i ot aon | | |
Slide 15: Benefit 1: Optimized Battery Formation
CCT® Benefit 1: Optimized Battery Formation - CCT® formation savings in time and energy: 15 - 20% - Formation consumes over 50% of all electric energy used for battery = manufacturing - According to Fleming and Karner, formation consumes as much electric energy as curing and recycling of divalent le
Slide 16: Benefit 2: Fast Recharge at CV and Floating
CCT® Benefit 2: Fast Recharge at CV and Floating PSoC cycling, CC-CV charge, 14.4V Floating charge at 13.8 V 2 Charge current, cycle #9, 40% DoD °° Float current: B-1 (control) and 8-2 (CCT) 07 bs BEAT —Contro! 06 en Float au Bee Ee Charge current @ CCT: higher Example: EB. - g ne Cele very omcurent
Slide 17: Benefit 2: Faster Recharge at PSoC Cycling
CCT® Benefit 2: Faster Recharge at PSoC Cycling Discharge step duration Charge step duration @ Discharge time each cycle @ 40% DoD 25°C b Charge time each cycle @ 40% Dob 25°C 04:48:00 19:12:00 = 93:36:00 14:28:00 S caizs.00 Fie 2 00:26:00 F 01:12:00 F 07:12:00 04:48:00 = oe hh 12g. e @ Sevres 00:00
Slide 18: Benefit 3: Fast Recharge at Low Temperature
CCT® Benefit 3: Fast Recharge at Low Temperature a Capacity vs. temperature = b CV charge step duration hss [alee Charge time at 10°C, 25°C and 40°C Same test as above, at pe Peretti a 40°C, 25°C and 40°C, Ew snneoo ‘ Bo (ail Sires | saasa - Battery capacity drops at low rs E ssooeo | [i z “255% tem
Slide 19: Benefit 3: Fast Recharge at Low Temperature (Recovery System)
CCT® Benefit 3: Fast Recharge at Low Temperature ‘lock diagram and main components of WaveTech 125% RECOVERY SYSTEM* __ 20% | 12VAGM Battery Cycling After Recovery E uss E 0% E 105% en aa 5 soos 12V 100Ah AGM Sim ; 3B 9% a : ao VRLA batteries 3 20% | —o* ~a— S ase oO Battery ae oon Te satery?2 =z 2
Slide 20: CCT State-of-Charge/State-of-Health Sensor
CT® State rge/State-of-Health Sensor 1. Online monitoring of SOC/SOH of flo: VRLAB . Rapid information about the ability of the battery to liver f at any time . Results uploaded to the cloud and processed remotely, . Various configuration of SOC/SOH monitoring systems are av >Tech BMS s . Can be int
Slide 21: Does Not Increase Water Loss
CCT® Does Not Increase Water Loss In situ tested: flooded and VRLA AGM batteries Flooded batteries 1. Discharge: at CC; Re-charged: at CC and CV, ‘esiicl 2. Evolving gases sent to the eGas analyzer by a tubing, isi lial emeneeniTdicmstioneatel 3. Monitored: voltage, temperature, gas flow, and temper
Slide 22: Nyquist plots for two fully charged batteries
Nyquist plots for two fully charged batteries 12V-92Ah AGM VRLAB (CCT® & no CCT®) FRA device: Biologic SAS SP-50e The WE of the FRA connected to the positive terminal of the battery. Observations: - Similar plots and fit values (Diffusion), - CCT® changes slightly the EIS spectrum, - Ohmic resistanc
Slide 23: Effect on Lithium-Ion (LFP) Telecom Batteries
CCT® Effect on Lithium-lon (LFP) Telecom Batteries (100 Ah) Charged capacity, with CCT - red, without CCT- blue Cumulative charge, 1000 cycles, with CCT —red), w/o - blue os___UFePOs 4x3 V/100 Ah, C3 Cydling @25°C Accumulated charge/discharge capacity for 1000 cyclesat C3 continius cyclins Capacity,
Slide 24: Summary
Summary 1) 1. WaveTech offers a unique new battery technology (CCT®) able to enhance the power performance and extend the service life of lead batteries — at low cost and with high efficiency, 2. Based on superimposing of a periodic signal to charging batteries. This offers the following benefits: +
Slide 25: WaveTech - ELBC Lyon 2022
% WAVETEGH Tuesday, September 9th, 2022 6-9 September Lyon, France 2022 Dag Valand, Boris Monahov, Vesselin Naidenov, Anton Momchilov, Boris Shirov, lliyan Popov, Yovka Milusheva, Yordan Nachev ‘Copyright WaveTech Group Inc, 2022
Welsbach Technology Metals Acquisition — SPAC Merger (November 2022) on 6ix