{
 "_schema": "sodium-ess-lab/summary/v1",
 "generated": "2026-09-22 04:10",
 "campaign_id": "C01-hc-nvpf-ess-baseline",
 "objective": "정치형 ESS 운전점(0.25C, 25 °C)에서 전극 두께·공극률·입자크기·전해질 전도도·HC 확산계수 중 어느 변수가 사용가능 에너지·왕복효율·전해질 고갈·온도상승의 트레이드오프를 지배하며, 기준셀(Chayambuka2022)을 지배하는 Pareto 설계는 무엇인가.\n",
 "chemistry": "Hard Carbon 음극 // Na3V2(PO4)2F3(NVPF) 양극 // 1 M NaPF6 계 액체전해질 (PyBaMM Chayambuka2022 파라미터셋)",
 "stage": "done",
 "round": 5,
 "started": "2026-09-15",
 "n_experiments": 715,
 "n_ok": 708,
 "n_failed": 7,
 "by_stage": {
  "baseline": 3,
  "sensitivity": 16,
  "doe": 624,
  "robustness": 72
 },
 "baseline": {
  "exp_id": "EXP-0001",
  "usable_capacity_Ah": 0.0017507022205603656,
  "usable_energy_Wh": 0.005824816972359928,
  "round_trip_efficiency": 0.8577201123345539,
  "areal_energy_Wh_m2": 22.932350284881608,
  "specific_energy_Wh_kg_stack": 63.188392285803815,
  "capacity_utilization": 0.44883777742392145,
  "electrolyte_min_conc_ratio": 0.7606415251273212,
  "temperature_rise_K": 0.05769174216487727
 },
 "dominant_vars": [
  "pos_thickness_um",
  "neg_thickness_um",
  "neg_porosity",
  "pos_porosity",
  "neg_radius_um"
 ],
 "sensitivity_ranked": [
  "pos_thickness_um",
  "neg_thickness_um",
  "neg_porosity",
  "pos_porosity",
  "neg_radius_um",
  "pos_radius_um",
  "neg_diff_scale",
  "elyte_cond_scale"
 ],
 "objectives": [
  {
   "key": "areal_energy_Wh_m2",
   "dir": "max"
  },
  {
   "key": "round_trip_efficiency",
   "dir": "max"
  },
  {
   "key": "specific_energy_Wh_kg_stack",
   "dir": "max"
  },
  {
   "key": "electrolyte_min_conc_ratio",
   "dir": "max"
  },
  {
   "key": "temperature_rise_K",
   "dir": "min"
  }
 ],
 "pareto": [
  {
   "exp_id": "EXP-0023",
   "design": {
    "pos_thickness_um": 49.373480530708115,
    "neg_thickness_um": 78.59795621006981,
    "pos_porosity": 0.34517657566848864,
    "neg_porosity": 0.4824459273496705,
    "pos_radius_um": 0.59,
    "neg_radius_um": 3.1353845100493913,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 25.109356763601046,
    "round_trip_efficiency": 0.9036135357521832,
    "specific_energy_Wh_kg_stack": 76.67091260921705,
    "electrolyte_min_conc_ratio": 0.9277594214667387,
    "temperature_rise_K": 0.03236852199040641
   }
  },
  {
   "exp_id": "EXP-0029",
   "design": {
    "pos_thickness_um": 91.31963789165309,
    "neg_thickness_um": 146.064515292226,
    "pos_porosity": 0.2826449951896001,
    "neg_porosity": 0.5063373306352069,
    "pos_radius_um": 0.59,
    "neg_radius_um": 1.7190164366928415,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 53.28020913950831,
    "round_trip_efficiency": 0.9115455285857156,
    "specific_energy_Wh_kg_stack": 101.52264412591205,
    "electrolyte_min_conc_ratio": 0.6620822107070725,
    "temperature_rise_K": 0.06532799452861582
   }
  },
  {
   "exp_id": "EXP-0036",
   "design": {
    "pos_thickness_um": 110.57200865595513,
    "neg_thickness_um": 120.87256093303223,
    "pos_porosity": 0.27739448586544746,
    "neg_porosity": 0.49620304930756154,
    "pos_radius_um": 0.59,
    "neg_radius_um": 1.9558834132241556,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 63.69784245697735,
    "round_trip_efficiency": 0.9025048296877403,
    "specific_energy_Wh_kg_stack": 118.8288482145625,
    "electrolyte_min_conc_ratio": 0.5460100154673811,
    "temperature_rise_K": 0.09558271942245256
   }
  },
  {
   "exp_id": "EXP-0039",
   "design": {
    "pos_thickness_um": 137.275558287215,
    "neg_thickness_um": 152.84386625611296,
    "pos_porosity": 0.3758720947562485,
    "neg_porosity": 0.32221541139956045,
    "pos_radius_um": 0.59,
    "neg_radius_um": 2.3638840296378776,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 64.73279388973616,
    "round_trip_efficiency": 0.9029383896994766,
    "specific_energy_Wh_kg_stack": 103.2629117486129,
    "electrolyte_min_conc_ratio": 0.6166959263741775,
    "temperature_rise_K": 0.0820092623962978
   }
  },
  {
   "exp_id": "EXP-0042",
   "design": {
    "pos_thickness_um": 106.1305282820118,
    "neg_thickness_um": 103.11880749285953,
    "pos_porosity": 0.38473764440834873,
    "neg_porosity": 0.45186540213940146,
    "pos_radius_um": 0.59,
    "neg_radius_um": 4.897352572508984,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 47.993962274567345,
    "round_trip_efficiency": 0.892479964153079,
    "specific_energy_Wh_kg_stack": 100.0239809886746,
    "electrolyte_min_conc_ratio": 0.8008356857052429,
    "temperature_rise_K": 0.06777781655046056
   }
  },
  {
   "exp_id": "EXP-0043",
   "design": {
    "pos_thickness_um": 56.23754923426161,
    "neg_thickness_um": 54.70144898215037,
    "pos_porosity": 0.2546944144533376,
    "neg_porosity": 0.46221650526293523,
    "pos_radius_um": 0.59,
    "neg_radius_um": 3.037551374175598,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 32.68481680612279,
    "round_trip_efficiency": 0.8853603515300683,
    "specific_energy_Wh_kg_stack": 102.26807723694286,
    "electrolyte_min_conc_ratio": 0.8634536876107548,
    "temperature_rise_K": 0.05073883106416588
   }
  },
  {
   "exp_id": "EXP-0044",
   "design": {
    "pos_thickness_um": 61.90224098668666,
    "neg_thickness_um": 66.49793918796288,
    "pos_porosity": 0.24720252469345286,
    "neg_porosity": 0.4485800064287091,
    "pos_radius_um": 0.59,
    "neg_radius_um": 3.146175787738868,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 37.54246385869159,
    "round_trip_efficiency": 0.8956161850950803,
    "specific_energy_Wh_kg_stack": 106.93356089638905,
    "electrolyte_min_conc_ratio": 0.8210345115852258,
    "temperature_rise_K": 0.06011072209179247
   }
  },
  {
   "exp_id": "EXP-0062",
   "design": {
    "pos_thickness_um": 63.217173746515954,
    "neg_thickness_um": 69.73410364668158,
    "pos_porosity": 0.21882453759078863,
    "neg_porosity": 0.43571090304540566,
    "pos_radius_um": 0.59,
    "neg_radius_um": 2.8238002827526816,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 40.47848609075812,
    "round_trip_efficiency": 0.8976366089286419,
    "specific_energy_Wh_kg_stack": 111.57873421856878,
    "electrolyte_min_conc_ratio": 0.7641408579776885,
    "temperature_rise_K": 0.06366504514039661
   }
  },
  {
   "exp_id": "EXP-0067",
   "design": {
    "pos_thickness_um": 99.35887203576483,
    "neg_thickness_um": 111.16918142764312,
    "pos_porosity": 0.2133302568434761,
    "neg_porosity": 0.356200605067381,
    "pos_radius_um": 0.59,
    "neg_radius_um": 1.6263798136281007,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 65.36266666743144,
    "round_trip_efficiency": 0.9075405839794498,
    "specific_energy_Wh_kg_stack": 126.8699182061242,
    "electrolyte_min_conc_ratio": 0.3795363972715534,
    "temperature_rise_K": 0.0868555362845882
   }
  },
  {
   "exp_id": "EXP-0068",
   "design": {
    "pos_thickness_um": 69.54366593498362,
    "neg_thickness_um": 76.35349821105567,
    "pos_porosity": 0.20360426026473155,
    "neg_porosity": 0.3206418519884268,
    "pos_radius_um": 0.59,
    "neg_radius_um": 2.2531484083792868,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 46.571446523823056,
    "round_trip_efficiency": 0.9065180499437447,
    "specific_energy_Wh_kg_stack": 118.38883182302621,
    "electrolyte_min_conc_ratio": 0.67078692646017,
    "temperature_rise_K": 0.061620617365804264
   }
  },
  {
   "exp_id": "EXP-0081",
   "design": {
    "pos_thickness_um": 74.02220210777556,
    "neg_thickness_um": 81.77109476045172,
    "pos_porosity": 0.3554669079231354,
    "neg_porosity": 0.31128334515846084,
    "pos_radius_um": 0.59,
    "neg_radius_um": 5.958162932102995,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 36.14728373236609,
    "round_trip_efficiency": 0.8906883265564199,
    "specific_energy_Wh_kg_stack": 92.61330975208445,
    "electrolyte_min_conc_ratio": 0.8621184195912278,
    "temperature_rise_K": 0.05025869187960552
   }
  },
  {
   "exp_id": "EXP-0086",
   "design": {
    "pos_thickness_um": 45.04716797602481,
    "neg_thickness_um": 149.12753201990756,
    "pos_porosity": 0.3934367800880021,
    "neg_porosity": 0.30344866157471706,
    "pos_radius_um": 0.59,
    "neg_radius_um": 6.356051910869936,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "objectives": {
    "areal_energy_Wh_m2": 20.546849799413344,
    "round_trip_efficiency": 0.9103570601261174,
    "specific_energy_Wh_kg_stack": 48.5109981183076,
    "electrolyte_min_conc_ratio": 0.908228889039631,
    "temperature_rise_K": 0.03020430527328699
   }
  }
 ],
 "n_pareto": 237,
 "hv_history": [
  {
   "round": 1,
   "hv": 0.49155,
   "improvement": 0.3576,
   "n_front": 22,
   "n_points": 62
  },
  {
   "round": 2,
   "hv": 0.5636,
   "improvement": 0.10389999999999999,
   "n_front": 94,
   "n_points": 198
  },
  {
   "round": 3,
   "hv": 0.6172,
   "improvement": 0.03894999999999993,
   "n_front": 140,
   "n_points": 333
  },
  {
   "round": 4,
   "hv": 0.49575,
   "improvement": 0.012350000000000028,
   "n_front": 192,
   "n_points": 470
  },
  {
   "round": 5,
   "hv": 0.502,
   "improvement": 0.010149999999999992,
   "n_front": 237,
   "n_points": 609
  }
 ],
 "last_run": {
  "date": "2026-09-22",
  "stage": "done",
  "n_exp": 0,
  "runtime_s": 0,
  "note": "캠페인 완료 상태 — project.yaml 의 campaign_id/objective 를 바꾸면 새 캠페인 시작"
 },
 "history": [
  {
   "date": "2026-09-15",
   "stage": "baseline",
   "next": "sensitivity",
   "n_exp": 2,
   "note": "baseline 재현: Q=1.751 mAh, E=5.82 mWh, RTE=0.858, N/P=0.79(DERIVED), 이용률=0.45; 메시 x2 에너지 차이 0.27% (독립 OK)"
  },
  {
   "date": "2026-09-15",
   "stage": "sensitivity",
   "next": "doe",
   "n_exp": 16,
   "note": "민감도 순위: pos_thickness_um(1.70) > neg_thickness_um(0.96) > neg_porosity(0.76) > pos_porosity(0.54) > neg_radius_um(0.42) > pos_radius_um(0.12) > neg_diff_scale(0.12) > elyte_cond_scale(0.00) → DOE 변수 ['pos_thickness_um', 'neg_thickness_um', 'neg_porosity', 'pos_porosity', 'neg_radius_um']"
  },
  {
   "date": "2026-09-15",
   "stage": "doe",
   "next": "doe",
   "n_exp": 48,
   "note": "DOE r1: 48건(실패 1) · Pareto 22점 · HV 0.492 (Δ+0.358) · 정체 0/2"
  },
  {
   "date": "2026-09-15",
   "stage": "doe",
   "next": "doe",
   "n_exp": 144,
   "note": "DOE r2: 144건(실패 0) · Pareto 94점 · HV 0.564 (Δ+0.104) · 정체 0/2"
  },
  {
   "date": "2026-09-16",
   "stage": "doe",
   "next": "doe",
   "n_exp": 144,
   "note": "DOE r3: 144건(실패 0) · Pareto 140점 · HV 0.617 (Δ+0.039) · 정체 0/2"
  },
  {
   "date": "2026-09-17",
   "stage": "doe",
   "next": "doe",
   "n_exp": 144,
   "note": "DOE r4: 144건(실패 0) · Pareto 192점 · HV 0.496 (Δ+0.012) · 정체 1/2"
  },
  {
   "date": "2026-09-18",
   "stage": "doe",
   "next": "robustness",
   "n_exp": 144,
   "note": "DOE r5: 144건(실패 1) · Pareto 237점 · HV 0.502 (Δ+0.010) · 정체 2/2 → 정지조건 충족, robustness 로"
  },
  {
   "date": "2026-09-19",
   "stage": "robustness",
   "next": "done",
   "n_exp": 72,
   "note": "robustness: 후보 8 × 72런 완료 → 캠페인 종료(done)"
  },
  {
   "date": "2026-09-20",
   "stage": "done",
   "next": "done",
   "n_exp": 0,
   "note": "캠페인 완료 상태 — project.yaml 의 campaign_id/objective 를 바꾸면 새 캠페인 시작"
  },
  {
   "date": "2026-09-21",
   "stage": "done",
   "next": "done",
   "n_exp": 0,
   "note": "캠페인 완료 상태 — project.yaml 의 campaign_id/objective 를 바꾸면 새 캠페인 시작"
  },
  {
   "date": "2026-09-22",
   "stage": "done",
   "next": "done",
   "n_exp": 0,
   "note": "캠페인 완료 상태 — project.yaml 의 campaign_id/objective 를 바꾸면 새 캠페인 시작"
  }
 ],
 "best_design": {
  "mode": "ess",
  "n_dominating": 6,
  "dominating_ids": [
   "EXP-0552",
   "EXP-0581",
   "EXP-0291",
   "EXP-0450",
   "EXP-0116",
   "EXP-0320"
  ],
  "n_pool": 39,
  "rebalanced_reference": {
   "exp_id": "EXP-0355",
   "design": {
    "pos_thickness_um": 68.0,
    "neg_thickness_um": 88.64409020458338,
    "pos_porosity": 0.23,
    "neg_porosity": 0.51,
    "pos_radius_um": 0.59,
    "neg_radius_um": 3.48,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "outputs": {
    "usable_capacity_Ah": 0.003053506414338742,
    "usable_energy_Wh": 0.010832475208179102,
    "charge_energy_Wh": 0.012104470705059812,
    "charge_capacity_Ah": 0.0030535767862647062,
    "round_trip_efficiency": 0.8949152319110492,
    "coulombic_efficiency": 0.9999769542635113,
    "mean_discharge_voltage_V": 3.5475527928520663,
    "areal_energy_Wh_m2": 42.64754018968151,
    "areal_capacity_mAh_cm2": 1.2021678796609219,
    "specific_energy_Wh_kg_stack": 107.3357516634828,
    "volumetric_energy_Wh_L_stack": 201.50593455483087,
    "capacity_utilization": 0.7828453155915968,
    "electrolyte_min_conc_ratio": 0.741023604664026,
    "first_discharge_capacity_Ah": 0.0030500524402417694,
    "discharge_duration_s": 14656.830788825406,
    "peak_temperature_C": 25.065654710834337,
    "temperature_rise_K": 0.06565471083433749
   }
  },
  "featured": {
   "exp_id": "EXP-0552",
   "design": {
    "pos_thickness_um": 113.97056311072345,
    "neg_thickness_um": 132.14445347014754,
    "pos_porosity": 0.19731804066853548,
    "neg_porosity": 0.38267425400988064,
    "pos_radius_um": 0.59,
    "neg_radius_um": 1.6421633514620062,
    "elyte_cond_scale": 1.0,
    "neg_diff_scale": 1.0
   },
   "spec": {
    "양극": {
     "활물질": "Na3V2(PO4)2F3 (NVPF)",
     "두께 [µm]": 113.971,
     "공극률": 0.197,
     "활물질 부피분율": 0.583,
     "입자 반경 [µm]": 0.59,
     "활물질 면적당 로딩 [mg/cm²]": 21.26,
     "이론용량 [mAh/cm²]": 2.727
    },
    "음극": {
     "활물질": "Hard Carbon",
     "두께 [µm]": 132.144,
     "공극률": 0.383,
     "활물질 부피분율": 0.616,
     "입자 반경 [µm]": 1.642,
     "활물질 면적당 로딩 [mg/cm²]": 13.02,
     "이론용량 [mAh/cm²]": 3.174,
     "HC 확산계수 배율": 1.0
    },
    "전해질·분리막": {
     "전해질": "1 M NaPF6 계 액체(Chayambuka2022 전도도·확산도 곡선)",
     "전도도 배율": 1.0,
     "분리막 두께 [µm]": 25,
     "분리막 공극률": 0.55
    },
    "셀 구조": {
     "집전체": "Al 15 µm × 2 (ASSUMED)",
     "N/P 비(이론용량)": 1.164,
     "스택 두께 [µm]": 301.1,
     "기준 면적 [cm²]": 2.54,
     "정격용량(C-rate 기준) [mAh]": 5.327,
     "질량 구성 [%]": {
      "positive_am": 36.4,
      "positive_inactive": 7.7,
      "positive_elyte": 4.6,
      "negative_am": 22.3,
      "negative_inactive": 0.0,
      "negative_elyte": 10.4,
      "sep": 4.7,
      "cc": 13.9
     }
    },
    "운전창": {
     "C-rate": 0.25,
     "전압 [V]": "2.0–4.2",
     "온도 [°C]": 25.0
    }
   },
   "performance": {
    "usable_capacity_Ah": 0.005440948400201875,
    "usable_energy_Wh": 0.01939885156921724,
    "areal_energy_Wh_m2": 76.37343137487103,
    "areal_capacity_mAh_cm2": 2.142105669370817,
    "specific_energy_Wh_kg_stack": 130.7666352378084,
    "volumetric_energy_Wh_L_stack": 253.63541228226748,
    "round_trip_efficiency": 0.9003878190391079,
    "coulombic_efficiency": 0.9998476823654974,
    "mean_discharge_voltage_V": 3.565343786112268,
    "capacity_utilization": 0.7855956391546849,
    "electrolyte_min_conc_ratio": 0.05372721337009368,
    "temperature_rise_K": 0.11106483887351715
   },
   "provenance": {
    "usable_capacity_Ah": "COMPUTED",
    "usable_energy_Wh": "COMPUTED",
    "charge_energy_Wh": "COMPUTED",
    "charge_capacity_Ah": "COMPUTED",
    "mean_discharge_voltage_V": "COMPUTED",
    "electrolyte_min_conc_ratio": "COMPUTED",
    "first_discharge_capacity_Ah": "COMPUTED",
    "discharge_duration_s": "COMPUTED",
    "round_trip_efficiency": "DERIVED",
    "coulombic_efficiency": "DERIVED",
    "areal_energy_Wh_m2": "DERIVED",
    "areal_capacity_mAh_cm2": "DERIVED",
    "capacity_utilization": "DERIVED",
    "specific_energy_Wh_kg_stack": "DERIVED(ASSUMED densities)",
    "volumetric_energy_Wh_L_stack": "DERIVED(ASSUMED cc thickness)",
    "peak_temperature_C": "COMPUTED(ASSUMED thermal params)",
    "temperature_rise_K": "COMPUTED(ASSUMED thermal params)"
   },
   "improvement_vs_baseline_pct": {
    "areal_energy_Wh_m2": 233.04,
    "areal_capacity_mAh_cm2": 210.79,
    "specific_energy_Wh_kg_stack": 106.95,
    "round_trip_efficiency": 4.97,
    "electrolyte_min_conc_ratio": -92.94
   },
   "improvement_vs_rebalanced_pct": {
    "areal_energy_Wh_m2": 79.08,
    "areal_capacity_mAh_cm2": 78.19,
    "specific_energy_Wh_kg_stack": 21.83,
    "round_trip_efficiency": 0.61,
    "electrolyte_min_conc_ratio": -92.75
   },
   "hardware": "NS5 (Windows, 32 threads)",
   "robustness": null
  },
  "criterion": "ESS 렌즈: N/P 1.05–1.2 · 면적용량 ≥1.0 mAh/cm² · (스택 Wh/kg, RTE) Pareto 중 RTE ≥ 재균형 레퍼런스(EXP-0355) 인 점의 Wh/kg 최대. 리뷰(2026-09-16) 반영 과도기 기준 — C02 에서 고정 면적용량·$/kWh 로 재정의 예정"
 },
 "backend": {
  "configured": "rtx4080",
  "used_today": null,
  "hardware_today": null
 },
 "llm_note": "전극 두께가 증가하면서 areal energy와 specific energy가 향상되었고, 반면 반복 효율과 전해질 고갈이 약간 저하되었습니다. 전해질 전도도와 확산계수는 변하지 않았으며, 공극률과 입자 크기의 조합이 주요 트레이드오프를 결정했습니다. 다음에는 전극 두께와 공극률의 조합을 더 정밀하게 조정하여 최적의 Pareto 설계를 탐색할 예정입니다.",
 "env": {
  "pybamm": "26.8.0.0",
  "python": "3.12.14",
  "node": "m1pro"
 },
 "tokens": "0 (local)"
}