{
  "id": "science_inventory_compounding",
  "title": "逐圈效率与库存累积",
  "domain": "general",
  "type": "demo",
  "license": "MIT",
  "scope": "Original analytic teaching record. Source references support the declared method/derivation only, never this invented parameter set or measurements.",
  "data_status": "synthetic_demo",
  "not_experimental_data": true,
  "source_files": [
    "data.csv",
    "model.json"
  ],
  "test_conditions": "No acquired cell or material. Independently declared analytic parameters, assumptions and units in scientific_basis.",
  "variables_and_units": {
    "1": [
      "Cycle count",
      "Retained inventory fraction"
    ]
  },
  "creator": "VoltPeer",
  "generator_version": "1.0.0",
  "reproduce": "python render_existing.py --output result-01",
  "scientific_basis": {
    "schema_version": 1,
    "model_class": "analytic_model",
    "data_origin": "original_synthetic",
    "relationship": "Multiplicative fixed fractional inventory loss differs from a constant absolute loss ledger.",
    "equations": [
      "Qn/Q0=CE^n"
    ],
    "parameters": {
      "CE_fraction": [
        0.999,
        0.9995,
        0.9998
      ]
    },
    "assumptions": [
      "Independently declared parameters; no experimental or material fit.",
      "Simplified inventory-limited cell with fixed fractional loss; real CE cannot uniquely forecast life."
    ],
    "limitations": [
      "Simplified inventory-limited cell with fixed fractional loss; real CE cannot uniquely forecast life.",
      "A numerical/model QA pass does not validate author data or a physical mechanism."
    ],
    "constraints": [
      "Finite numerical values and explicit physical units.",
      "Continuous plotted curves are solid without markers; data axes retain four borders.",
      "All plotted fractions lie between zero and one."
    ],
    "references": [
      {
        "title": "COMSOL: Capacity Loss",
        "doi": "",
        "url": "https://doc.comsol.com/6.3/doc/com.comsol.help.battery/battery_ug_electrochem_battery.06.26.html",
        "figure_panel": "Parasitic-current accounting, throughput and declared aging factors",
        "supports": "Multiplicative fixed fractional inventory loss differs from a constant absolute loss ledger.",
        "checked_at": "2026-10-03",
        "scope": "Method/equation/caveat reference only. Original analytic teaching inputs; no copied paper points, pixels or experimental inference."
      }
    ],
    "validation": {
      "finite": true,
      "nonnegative": false,
      "unit_interval": true
    },
    "validation_scope": "Source method/principle and explicitly derived restricted teaching specialization checked; equation, units and numerical constraints only. No copied paper measurements, material parameters, experimental fit or mechanism certification."
  },
  "review": {
    "science": "Equation/units/numerical constraints and source scope checked. No author-data validation.",
    "display": "Actual cycle-marker/continuous-solid artists, four-frame spines, legend/title and text bounds checked."
  },
  "actual_artist_checks": [
    {
      "panel_index": 0,
      "spines": {
        "left": true,
        "right": true,
        "top": true,
        "bottom": true
      },
      "continuous_curves": [
        {
          "label": "CE = 99.9%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        },
        {
          "label": "CE = 99.95%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        },
        {
          "label": "CE = 99.98%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        }
      ],
      "xlabel": "Equivalent cycle count",
      "ylabel": "Retained inventory fraction"
    }
  ],
  "data_frame_checks": [
    {
      "panel_index": 0,
      "spines": {
        "left": true,
        "right": true,
        "top": true,
        "bottom": true
      },
      "continuous_curves": [
        {
          "label": "CE = 99.9%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        },
        {
          "label": "CE = 99.95%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        },
        {
          "label": "CE = 99.98%",
          "linestyle": "None",
          "marker": "o",
          "points": 241,
          "sampling": "cycle_scatter"
        }
      ],
      "xlabel": "Equivalent cycle count",
      "ylabel": "Retained inventory fraction"
    }
  ],
  "continuous_curve_style_checks": [
    {
      "panel_index": 0,
      "label": "CE = 99.9%",
      "points": 241,
      "line_style": "None",
      "marker": "o",
      "colour": "#287d8e",
      "sampling": "cycle_scatter"
    },
    {
      "panel_index": 0,
      "label": "CE = 99.95%",
      "points": 241,
      "line_style": "None",
      "marker": "o",
      "colour": "#ba5574",
      "sampling": "cycle_scatter"
    },
    {
      "panel_index": 0,
      "label": "CE = 99.98%",
      "points": 241,
      "line_style": "None",
      "marker": "o",
      "colour": "#4868a8",
      "sampling": "cycle_scatter"
    }
  ],
  "curve_style_check": "Discrete cycle quantities marker-only; continuous functions solid/unmarked; user display preference.",
  "data_frame_check": "Actual data axes: all four spines visible."
}